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Calculate and give answer of appropriate number of significant digits
A. 7.6 x21.9 B. 2,15 x 3.1 x 100 C. 38/7
2 answers
asked by
Mileena
502 views
Plzz Help me i need help
Why is California's high speed rail such a groundbreaking effort??
5 answers
asked by
Young Trippy Lil G
621 views
When plants grow toward sunlight they____
A. Live longer B. Get more light C. Get smaller D. Die faster
3 answers
asked by
Ashley
453 views
My sister plays her PS4 all day and whenever her remote vibrates while it's sitting on the couch, I can feel the vibration from
1 answer
asked by
Gabe
405 views
A professional baseball player pitchers a ball giving it a velocity of 45m/s towards the butter. The batted ball has a velocity
4 answers
asked by
Mileena
921 views
How are earth and Venus similar? How is Venus different from Earth? Provide two similarities and two differences.
22 answers
asked by
Justin
2,216 views
Let me know if these are biotic abiotic or both
Mushrooms,Desert, temperature, mold ,hair,ocean ,trees,rocks, gold plastic,
1 answer
asked by
Joshua Newall
463 views
What are the uses of reactivity series??
3 answers
asked by
Dheeraj Parmar
329 views
What type of boundary is an earthquake?
I think it is either Transform or Divergent.
1 answer
asked by
Please Help !!!!
435 views
For this activity, we had to make cube shaped models to represent cells. Then we had to compare surface area, volume, and
1 answer
asked by
Sarah
749 views
What are some ways (at least two) that cells can increase their (Unicellular and multi-cellular organisms) surface area to
1 answer
asked by
Sarah
430 views
Which word or phrase below best describes the function of the urinary bladder?
Filter Storage tank Blender Passageway*** Help me
2 answers
asked by
Help please
644 views
What causes lightning?
4 answers
asked by
Side Walks
399 views
What is the name of experiment to show that a product obtained is a basic oxide
2Mgo+O2=2MgO
1 answer
asked by
Jjjjjjjj
351 views
anatomical differences of humans
What possibilities and/or dangers does this difference imply for humans from other animals? Use
3 answers
asked by
Keon Meadowsawdos
405 views
Two trains are traveling towards each other, starting 100 kilometers apart. One train travels at 40 kilometers per hour while
2 answers
asked by
Edwin
510 views
Hi! I'm in 8th grade science 8-B in Connections academy. I have a question that I'm stuck on. Can anyone help me? Thx!
2. Where
4 answers
asked by
# love mystery books!
781 views
Identify the following types of tissue as connective, muscle, nerve, or ephithelial:
A. Tendon - Muscle B. Sciatic Nerve- Nerve
2 answers
asked by
Crystal
549 views
What is the morality of a solution made by dissolving 9.80 g of H2SO4 in a 200.0 g of H2O?
6 answers
asked by
Corey
483 views
You digestive system has three main functions: digestion, absorption, and elimination. In which organ does absorption begin?
A.
7 answers
asked by
JJ
912 views
A sample of gas has a volume of 356 mL at 740 torr and 25 C. What pressure will the gas exert at 50 C and 250 mL?
1 answer
asked by
Kiklom
452 views
When are tides in the earth's oceans the highest
5 answers
asked by
Cj
1,797 views
Assume you are speeding down the freeway at 75 mph. The car weighs 1500 kg and the effective force of the brakes is 14400 N. The
2 answers
asked by
Athena
541 views
How does a nuclear power plant produce energy?
A. Through solar panels B. Through nuclear fission reactions C. Through geothermal
4 answers
asked by
Jessica
1,567 views
During what phase of the moon can a lunar eclipse occur?
New moon, full moon, first quarter or waxing gibbous? I think it's a
2 answers
asked by
Idk
1,108 views
If ethics is an art of living, what is its subject matter, that is, what is it about ourselves that it is in relation to, and
1 answer
asked by
Reginald
391 views
Which of the following must be true of the structures of axons and muscle cells in order for nerve impulses to stimulate muscle
5 answers
asked by
Help pleasee
1,384 views
22g N2, 44g CO2 and 18g of CH4 in contenar if the pressure is 750mm calculated of the partial pressure of each gases
1 answer
asked by
Suvam das
386 views
For the reaction 2zn+o2=2zno, how many grams of zinc oxide are produced from 2.25g of oxygen?
3 answers
asked by
Larry
1,327 views
The vapour pressure of solution having 2 grams of solute X (molar mass-32) in 100 grans of CS2 (vapour pressure-854 torr) is
3 answers
asked by
Ritika
1,510 views
In a bank there are as many coins as the number of molecules in 1.6ug of methane. How many coins are there in the 4 bank?
3 answers
asked by
Khushi
652 views
What is similarity between meiosis and mitosis.
1 answer
asked by
Ibrahim
393 views
Four equal point charge each of 16microcoulomb are placed on the four corners of a square of side 0.2m.calculate the force on
2 answers
asked by
Tavishi
780 views
A cyclist speed up at a constant rate from rest to 8m/s to 6s. Find the acceleration of the cyclist
2 answers
asked by
Anonymous
626 views
Which of the following is true about the electric charges on the objects below
The ball on the right has a positive charge and
4 answers
asked by
boi
1,197 views
A car travel along a straight line for first half time with speed 40km/hrs & second half time with speed 60km/hrs. Find average
2 answers
asked by
Anita
516 views
What quantity of Caco3 must be heated to give sufficient amount of Co2 to convert 10.6 gms of Na2Co3 completely into NaHCo3 ?
1 answer
asked by
Maya Sinha
347 views
How much effort force would you have to use to lift a 800 newton load using a pulley system with a mechanical advantage of 4?
2 answers
asked by
Maddie
632 views
A hurricane becomes more powerful be evaporating water from?
lakes mountains oceans*** rivers 1. Over time, scientists have
5 answers
asked by
Haley
1,399 views
A meteorite is DIFFERENT from a comet mainly because
has a tail of ice and dust enters the earth's atmosphere*** has a nucleus
4 answers
asked by
Haley
1,387 views
why is using a ramp to load a heavy object into the back of a moving truck easier than lifting it in?
3 answers
asked by
Sarah
789 views
What is an example of a stable system?
How were you able to determine whether or not this system is stable?
6 answers
asked by
Young Lil G
732 views
When iron is heated with sulphur, iron sulphide is formed . Name the reaction
3 answers
asked by
Ruchi
617 views
Explain the law of motion needed to solve this problem and then solve it. On Planet Zorg, a 30 kg barbell can be lifted by only
1 answer
asked by
Mai Life
450 views
Earth’s energy sources include both renewable and nonrenewable resources. Name at least three sources of energy that could be
16 answers
asked by
Dytto
5,890 views
How dos the pull of a magnet work PLEASE ANSWER I NEED TO TURN THIS IN BEFORE JUNE 9th thank you!!
3 answers
asked by
Sean
290 views
To make a saturated solution 37 gram of aluminium chloride is dissolved in 10.0 gram of water at 293 K find it concentration and
1 answer
asked by
Nasrin
491 views
A solution contain 40 centimetre cube of alcohol mixed with 150 cm cube of water calculate the concentration of the solution
4 answers
asked by
Nasrin
946 views
If three vector A.B and c are 12,5,13 in magnitude such that c vector = A vector + B vector ,then the angle between A and C is
1 answer
asked by
Physics
429 views
If A vector = B vector + C vector and the magnitude of A,B and C are 5,4 and 3 units respectively the angle between A and C is
1 answer
asked by
Physics
339 views
The closer together magnetic field lines are, the The magnetic force
A closer B farther C stronger D weaker
1 answer
asked by
Anonymous
436 views
A homeowner determined that he used 114 gallons of oil to heat his home during game the winter. This information would be
2 answers
asked by
Debbie
609 views
Hello, can anyone help me answer this question:
What is the result of a silent mutation at a) DNA level b) amino acid level c)
2 answers
asked by
Aaron
542 views
Earth is sphere yes or No
4 answers
asked by
Ola
325 views
How does the albedo effect climate and can drive positive feedback
2 answers
asked by
Mileena
483 views
Madeira uses the water cycle to generate electrical power but this becomes a problem during the summer. What is the problem and
1 answer
asked by
Mileena
356 views
A man runs 100.0 metre in 10.3 seconds find his average speed up to appropriate significant figures.
1 answer
asked by
Ishu
335 views
A cyclist move 4km in the east diraction then he turn to north and move 3km . Find displacement.
1 answer
asked by
Neha
377 views
What is suspension?what is the 5 example of suspension?
1 answer
asked by
Ranakim tabios
358 views
One scientist discovered a new theory on the evolution of stars. Why is it necessary for scientists all over the world to agree
3 answers
asked by
Emm
1,683 views
A force of 750 N keeps a 70-kg pilot in circular motion if he is flying a small plane at 35m/s in a circular path.What is the
4 answers
asked by
Ailyn
3,598 views
An aeroplane starts from rest with an acceleration of 3 ms-2 and takes a run for 35s before taking off. What is the minimum
2 answers
asked by
Anonymous
549 views
The no. of nitrogen atoms in Zn(NO3)2
3 answers
asked by
Falcon
885 views
1.00g of oxygen combine with 0.126 g of hydrogen to form H2O. 1.00 g of nitrogen combie with 0.216 g of hydrogen to form
1 answer
asked by
RAJESH
464 views
What is the percentage by mass of glucose in a solution which contains 18gm of glucose and 250 gm of water
2 answers
asked by
Hitesh
617 views
Measure the pressure of water being 1000kg/m×m×m and density and 40 kg weight on its base?
3 answers
asked by
Suresh
349 views
A boy is going from one place to another.He goes 100 m north and then 70 m east . Find the displacement of the boy from his
2 answers
asked by
jyotismita
801 views
how does cal c vita dissolve in water ? 0
Graphs ? Data ? Method ?
1 answer
asked by
Dimakatso tjikila
409 views
A body slides down a curved track which is one quadrant of a circle of radius R. If it starts from rest at the top of the track
1 answer
asked by
Thousif
598 views
Which of the following means using specific observation to make generalizations
A. Bias B. Subjective C. Deductive reasoning D.
5 answers
asked by
Hayley
2,112 views
Unscrsmble this word atsetlectoicnp
1 answer
asked by
Letitia
454 views
Clay is a plastic material does this imply that it is a polymer
3 answers
asked by
Shalu
611 views
how many times does the sun appear to rise in a week?
A) one B) Five C) seven D) not there I think it's c) seven. Plz check.
1 answer
asked by
Lauren
340 views
What volume of co2 has is produced when 20gm of 20/100 pure caco3 is completely heated
3 answers
asked by
Boss
496 views
Honestly reporting experimental findings is an example of using good?
I really need help please
7 answers
asked by
Jazlynn886
2,351 views
why would a DNA structure in which each base type could form hydrogen bonds with any of the other 3 base types not produce a
2 answers
asked by
Linda
518 views
The density of a loaf of bread with a mass of 500 g and a volume of 2500 cm3.
2 answers
asked by
Celeste
776 views
Please help Me With These Questions
1.what is one difference between the scientific theory and scientific law 2. what are two
10 answers
asked by
Young Lil G
946 views
if you are given a graduated cylinder that has 56ml of water in it and you drop a rock into the cylinder, the water level rises
4 answers
asked by
Anonymous
526 views
Which of the following is not needed to make a model of the water cycle?
A. An energy source B. Water C. A closed container D. A
2 answers
asked by
Billy
1,038 views
water is flowing through a horizontal pipe of varying cross section at any two places the diameters of the tube are 4cm and 2cm
2 answers
asked by
Zaid
824 views
Why the weight of an object varies from planet to planet
1 answer
asked by
Rafui
335 views
I am doing an acrostic on eukaryotic, I can find anything for A and T. Please help me
2 answers
asked by
Bella
518 views
What original colors are a plant cell????? I looked it up and it said different colors for each part like the cell wall, and the
1 answer
asked by
Young Lil G
404 views
Draw picture graph of the above question?
1 answer
asked by
Eddie Ray
354 views
A diver curls up when he performs a stunt. Explain. Calculate the angular momentum of a body rotating with 20rpm and M.I 4kg m²
1 answer
asked by
Anonymous
308 views
Why must organisms reproduce?
A. Organisms must reproduce to maintain genetic similarity in the species. B. Organisms must
7 answers
asked by
HI
4,278 views
Why was the tert. Butyl chloride finally washed with water,?
7 answers
asked by
Morgan
2,458 views
If don't mind could you check my answers for environmental science
1.The interdisciplinary study of humanity’s relationship
2 answers
asked by
Aria
1,372 views
How did the indicator of barium hydroxide appear in the absence of carbon dioxide by yeast cell
1 answer
asked by
Nica
367 views
Rate of change in velocity is known as
1 answer
asked by
6n
266 views
What are the three types of plate boundaries? Can you please not give me the answer, just a website! Thanks!
4 answers
asked by
Haile
889 views
Calculate the no:of moles of a gas in 44.28L at STP
1 answer
asked by
Nisha
407 views
Do prokaryotes or eukaryotes have cell Wall?
4 answers
asked by
Emilia
1,468 views
A body rises vertically from the earth according to the law s = 64t – 16t2. If it has lost k times its velocity in its 48 ft
1 answer
asked by
Mithun
436 views
What is Casein Plastic?
1 answer
asked by
Alex
309 views
3.365*10^5 to 3
1 answer
asked by
Areej
250 views
Explain water potential and how it affects osmosis?
1 answer
asked by
Amy
407 views
Difference between prokaryotes and eukaryotes
6 answers
asked by
Amy
708 views
Scientific _____ involves knowledge and understanding necessary for evaluating information, making personal decisions, and
7 answers
asked by
Rachel
1,157 views
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