Login or Sign Up

Ask a New Question

science

Questions and answers by science

Questions (70)

How is wildlife extinction impacting the world?Check these sites. http://www.endangeredspecie.com/Why_Save_.htm
1. 1 answer
2. 506 views
Why does the temperature of boiling water remain the same as long as the heating and boiling continue?
1. 2 answers
2. 583 views
is chloringe flammableis chlorine flammable with a metal?
1. 1 answer
2. 483 views
200- to 300-word response to the following: Explain the four factors that produce changes in population size. Which factors are
1. 1 answer
2. 492 views
Due Date: Day 7 [Individual forum]  Review the following Energy Resource Plan outline: I. Introduction: Provide information
1. 2 answers
2. 606 views
which of the following contributed most to the fish population dying during the 1970's
1. 3 answers
2. 424 views
is electric current shared in a series circuit?
1. 1 answer
2. 438 views
5 devices of energy in your home. please tell me. whats the largest source of power in the whole toronto. please help me i`m
1. 5 answers
2. 529 views
What's in the coke that stops an egg from bouncing ?is it caffeine
1. 1 answer
2. 326 views
What's in the coke that stops an egg from bouncing ?is it caffeine
1. 1 answer
2. 369 views
balanced equation:HC2H3O2 + NaOH -> What is the mole ratio of these two substances?
1. 4 answers
2. 1,036 views
How much energy is required to raise the temperature of 22.8 g of copper from 30°C to 1250°C?
1. 1 answer
2. 518 views
How much energy is required to raise the temperature of 217 g of solid mercury at its freezing point to mercury vapor at its
1. 1 answer
2. 423 views
How much energy is required to raise the temperature of 217 g of solid mercury at its freezing point to mercury vapor at its
1. 1 answer
2. 428 views
fill in the blanks with these worsd:galaxies gunpppowder guns hubble space telescope mummy sealed tomb the invention of 1990 of
1. 1 answer
2. 363 views
Describe three potential extraneous variables in your experiment on whether prayer causes healing
1. 2 answers
2. 1,157 views
which of the following would increase friction. A.Soap B.water C. sand
1. 3 answers
2. 902 views
Two objects or 5kg to 10kg respectively and they're 10m apart. If the distance between them is increased to 20m, what happens to
1. 2 answers
2. 509 views
which of the following best explains velocity? A.the speed & direction of an object in motion C.only the change of direction of
1. 2 answers
2. 797 views
which of the following is Not part of testing a hypothesis? A. reasoning B. modeling D. gathering evidence
1. 4 answers
2. 3,120 views
four forces are being applied to move an object to the left. Force 1 is pushing to the right at 200N. Force 2 is pushing to the
1. 3 answers
2. 954 views
make a paragraph about your favorite thing about winter? someone please help
1. 11 answers
2. 737 views
definependulum bob amplitude oscillation
1. 3 answers
2. 388 views
some have more than a 100 some hav none
1. 1 answer
2. 390 views
What are carbon sources and sinks for(a)The Water cycle (b) The Citrogen cycle (c) The Carbon Cycle
1. 2 answers
2. 581 views
many animal foods like meat and fat are high in energy content. Where did this energy originate. explain by referring to food
1. 4 answers
2. 961 views
Which of these is responsible for ridding the body of waste?
1. 3 answers
2. 711 views
How do you calculate gravitational potential energy?
1. 5 answers
2. 372 views
a protostar has a high enough )_____( to become a starvolume mass temperature brightness
1. 1 answer
2. 250 views
What mass of rust (Fe2O3) contains 25.0 g of Fe?
1. 3 answers
2. 480 views
What mass of a 65 gram piece of chalcocite (Cu2S) is copper?What is the mass of aluminum in 75 g of Al2O3?
1. 1 answer
2. 285 views
What is the percentage of metal in each of the following?a. ZnS b. Al2O3
1. 1 answer
2. 227 views
A compound is 36.1% water. After drying off the water, the rest is 40.1% oxygen, 39.8% copper, and 20.1% sulfur.
1. 4 answers
2. 413 views
What happens when an Arrhenius acid is mixed with an Arrhenius base?
1. 1 answer
2. 364 views
2NaOH (aq) + H2SO4 (aq) →Na2SO4(aq) + 2H2O(l)1. What is the Arrhenius acid and Arrhenius base? 2. What are the spectator ions?
1. 2 answers
2. 536 views
(Sodium metal reacts with chlorine gas)1. During the reaction, electrons are transferred from ______________ to ______________,
1. 1 answer
2. 451 views
Write complete balanced chemical equations for the following reactions. Include states of matter1. A solution of potassium
1. 2 answers
2. 733 views
Limewater is used to test for the presence of carbon dioxide gas. The products of the reaction of Ca(OH)2 with CO2 are calcium
1. 3 answers
2. 388 views
Hard Water often contains calcium chloride. The calcium ion in solution can be detected using a solution of sodium phosphate.
1. 2 answers
2. 539 views
When a piece of sodium metal is tossed into a beaker of water, a violent chemical reaction happens. The sodium metal and water
1. 3 answers
2. 874 views
A bodybuilder loads a bar with 550 Newtons (~125 pounds) of weight and pushes the bar over her head 10 times. Each time she
1. 3 answers
2. 395 views
Methane (CH4) is a gas that is found in small quantities in Earth’s atmosphere. Which type of bonds does methane have, and why
1. 1 answer
2. 508 views
In a closed system, an object with a mass of 10 kg moves at a velocity of 5.4 m/s. It collides with a second object that has a
1. 1 answer
2. 484 views
In 3-4 sentences, analyze what type of collision occurs when a tennis racket hits a ball, as shown in the image, and explain how
1. 1 answer
2. 199 views
A bottleneck event reduces the population of bears in one area by 80%. Which statement is correct about the bears’ gene pool?
1. 1 answer
2. 92 views
hey bot, Based on the data below, which group of animals are genetically diverse?# of different type of species in the world
1. 29 answers
2. 378 views
A child draws this building. What things have to be considered during construction? Use the science concepts we have talked
1. 2 answers
2. 99 views
Giant kelp, which can grow up to 60 meters, are known as (1 point)fungi. fungi. vascular plants. vascular plants. nonvascular
1. 2 answers
2. 148 views
What does a horizontal line on a position-time graph indicate about the object?* 1 point The object is accelerating. The object
1. 2 answers
2. 135 views
Which statement correctly compares his motion during the first 10 minutes to his motion during the last 10 minutes?* 1 point He
1. 13 answers
2. asked by science
3. 1,074 views
Of these things in an environment, which one is a living thing?* 1 point air river flowing down a mountain mushrooms sprouting
1. 3 answers
2. 129 views
Which system is most complex?cells organs organ systems
1. 2 answers
2. 134 views
Which statement is true?* 1 point Bones help the heart pump blood. Bones are composed of a single layer. Bones provide shape to
1. 7 answers
2. 203 views
Use the table model to correctly identify the animal in the story. You are walking home from school and an animal jumps out on
1. 3 answers
2. 171 views
Compare and contrast probability sampling methods and non-probability sampling methods. What do they have in common? How are
1. 1 answer
2. 33 views
How do fossil fuels play a role in the carbon cycle?A) Fossil fuels are rich in carbon, and burning them releases carbon into
1. 1 answer
2. 42 views
What is true about what causes an object to stay at rest?(1 point)Responses Objects at rest will stay at rest unless acted upon
1. 1 answer
2. 23 views
Which of the following scenarios best describes an object that is being acted upon by only gravity and friction?(1 point)Respons
1. 1 answer
2. 22 views
Compare and contrast observational studies with experimental studies.
1. 1 answer
2. 17 views
Discuss at least two common issues that can affect the validity of experimental studies. Include an example for each.
1. 1 answer
2. 20 views
The probability that a 30-year-old male in the U.S. will die within one year is about 0.00142. An insurance company is preparing
1. 3 answers
2. 34 views
QuestionIs it possible for two tall pea plants to produce a short pea plant variety? Explain.(1 point) Responses No, one parent
1. 1 answer
2. 19 views
Which of the following statements is true? (1 point)Responses Traits that are not similar in identical twins and similar between
1. 1 answer
2. 16 views
Hummingbirds use their beaks to reach into flowers and eat the nectar inside. Which hummingbirds below are most likely to
1. 1 answer
2. 14 views
Why can't all animals adapt to survive climate change?(1 point)Responses A rapidly changing climate prevents animals from
1. 1 answer
2. 14 views
Which of the following is a true statement?(1 point)Responses It is not feasible to replace our energy needs with renewable
1. 1 answer
2. 12 views
Giant kelp, which can grow up to 60 meters, are known asA) nonvascular plants B) fungi C) vascular plants D) protists
1. 1 answer
2. 17 views
You receive a sample slide of an organism. While observing it under a microscope, you notice that the organism is single-celled
1. 1 answer
2. 13 views
Vascular plants can be divided into groups based onA) color B) the presence or absence of seeds C) size D) the presence or
1. 1 answer
2. 16 views
Your teacher gives you a multicellular organism. It is small, green, and has chloroplasts. All of its cells function in the same
1. 1 answer
2. 16 views

Questions LLC

Use AI to answer your questions.

Ask a New Question

Company

About Us
Careers
Contact Us
Privacy Policy
Terms of Use

Questions

Archives
Categories
Newest
Random
Search

Trending

Now
Today
Week
Month
Year

Social

Facebook
Instagram
LinkedIn
YouTube
X

© 2024 Questions LLC. All rights reserved.