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Rina
Questions and answers by visitors named
Rina
Questions (68)
Which activity gives access to natural resources but might lead to problems such as sinkholes? (1 point)
O traditional hunting O
18 answers
4,636 views
Six friends share 4 apples equally. How much Apple does each friend get?
16 answers
13,908 views
Which phrase describes a dipole moment? (1 point)
the separation of positive and negative charges the vibration of a molecule the
10 answers
4,522 views
I have to give a problem-solution speech on "Global Warming" what would i put into this?
I need to point out some good solutions
5 answers
664 views
Basic arthmetic is not an easy task for Jeanne. In fact, she has to work hard at understanding mathematical concepts. She finds
7 answers
519 views
Parents can help their children acquire language by:
a) reading and talking with them b) correcting every grammatical mistake
6 answers
796 views
evolution has installed tendencies in our selection of a mate. Two of the strongest predictors in human mate selection today
5 answers
502 views
sara overhears her 21 year old son, joe, telling his friends on the phone that he wants to with two girls he just met at the
4 answers
544 views
Peter and Maria are adopting a child whose biological parents have low IQs. They want to know if this child, too is likely to
5 answers
515 views
Genetics and what we inherit from our biological parents play a significant role in our intelligence level. In fact, researcher
2 answers
519 views
Within groups, differences in intelligence are highly correlated with_______. Between groups, differences are highly correlated
7 answers
529 views
A sociologist is testing the null hypothesis that the percentage of school superintendents who earn an annual salary of more
3 answers
822 views
Samples of both surface soil and subsoil were taken from eight randomly selected farms in a county. The soil samples were
2 answers
540 views
I need Help with solving these problems. If you could show me the steps I think I will be able to get it.
1) 0.87/0.2 = 4.35
5 answers
418 views
1) 2/3 + 1/8 = 19/24
I do not understand how they got 19/24 can you help me with the steps to show me how. Thank you
1 answer
296 views
1) CCXIX
C = 100 X = 10 I = 1 because there are 2 C's I added them together and I got 200 because there are 2 X's I added them
7 answers
493 views
X I I I x I V
10 1 1 1 x 1-5= 4 right above i have what each numerical # represents but i don't no if that's correct so far. How
7 answers
253 views
My daughter Kim teaches and notes that the average student uses 75 sheets of paper every week.
A) How many sheets will a student
4 answers
1,354 views
If your car gets 18 miles per gallon of gasoline, how many pints of gas will you need to take a 698- mile trip?
I no that 1pt =
4 answers
1,434 views
A certain calculus student hit Mrs. Evans in the head with a snowball. If the snowball is melting at the rate of 10 cubic feet
2 answers
666 views
Find the supplement of 8pi/17.
4 answers
732 views
Does everybody have a dark side? I need to write 4 paragraphs and I don't know how to start.
1 answer
397 views
Rewrite 7pi/5 in degrees.
1 answer
327 views
How would I go about solving for x in the equation:
ln(4x-2)-ln(4)=-ln(x-2) Thanks in advance
2 answers
986 views
The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is
4 answers
2,248 views
Complete and balance the following equations and identify oxidizing and reducing agents.
S+HNO3---->H2SO3+N2O
2 answers
836 views
Sam Quaker receives a salary of $300 per week plus a 5 and 1/2% commission on his sales. Last week he sold $3,880 worth of
3 answers
539 views
Which of the following condition could result from years of smoking?
a) tuberculosis b) emphysema c) empyema d) atelectasis
2 answers
947 views
Find the cost of 999 kw-hr at 7.3 cents per kw-hr.
7 answers
366 views
Please help me on my previous question for math! I really need help!
4 answers
293 views
Consider a body moving along a straight line, in the presence of an external force providing
constant acceleration a. In the
1 answer
928 views
Consider the reaction between 60.0 mL of liquid ethanol (C2H5OH; density = 0.789 g/mL) and 28.0 L of O2 at 27.0°C and a
5 answers
526 views
Consider the titration of 100.0 mL of 0.260 M propanoic acid (Ka = 1.3 ✕ 10−5) with 0.130 M NaOH. Calculate the pH of the
3 answers
1,044 views
4 darts are thrown at the target. If each dart hits the target, How many different point totals are possible?
2 answers
657 views
A 12-V automobile storage battery has an internal resistance of 0.004 ohms. A) Find the current and power dissipation when the
2 answers
636 views
What was so significant about the space race? and why is it still significant and important currently today as of 2016?
1 answer
333 views
Four years ago, twice Athena's age was five less than her cousin's age. At present, the age of Athena's cousin is 18 years less
3 answers
562 views
The lab we are doing is: Determining the ENTHALPY of a Chemical Reaction.
There are three reactions. Reaction 1: NaOH + HCl,
1 answer
645 views
Unite 2 lecon 7 page 66 answers.
3 answers
554 views
Examine the polynomial p(x)=6x^3+17x^2−24x−35.
Use the Factor Theorem to identify which binomial is a factor of p(x). a.3x+5
2 answers
1,043 views
Example of water displacement in real life.
2 answers
486 views
spiderweb and a Kevlar jacket have some obvious differences. Which property is similar between the web and the jacket?
9 answers
1,993 views
Chemical Reaction System Unit Test
Use the dissociation reaction to answer the question. Fe SCN2+(aq) = Fe3+(aq) + SCN- (aq) in
6 answers
1,203 views
Can you write a clear introduction about tuberculosis?
Can you write a clear abstract about tuberculosis?
1 answer
39 views
Classify the bone based on its' shape (irregular bone, long bone, flat bone, or short bone)
1. Femur 2. Parietal bone 3. Ulna 4.
1 answer
71 views
Concluding paragraph about tuberculosis
1 answer
39 views
John and Heather Pipiens were very nervous. Heather had recently given birth to a good-sized clutch of eggs. Most of the little
1 answer
34 views
Research DV axis formation in amphibians and answer the following question:
How is the Nieuwkoop center formed?
1 answer
22 views
Research DV axis formation in amphibians and answer the following question:
How is the organizer formed?
1 answer
21 views
Research DV axis formation in amphibians and answer the following questions:
What causes neural induction?
1 answer
20 views
Create a flow chart/concept map showing the relationship between the following for development and activity
of the Nieuwkoop
1 answer
32 views
How is the regional specification of mesoderm determined using β-catenin, VegT, Vg1, and Xnr?
1 answer
28 views
Create a flow chart/concept map showing the relationship between the following for development and activity
of the organizer. a.
1 answer
30 views
Robert thought Barney’s problem resided in his Nieuwkoop center. What do you think?
1 answer
22 views
The following sentence is inaccurate, but it can be made accurate by exchanging two words within it.
Beta-catenin is an embryonic
1 answer
38 views
If not influenced by any other tissues, what does ectoderm become?
Selected answer will be automatically saved. For keyboard
1 answer
50 views
Which structure develops directly from Xenopus organizer cells, not from induction by these cells?
Selected answer will be
1 answer
40 views
If a sperm penetrates a Xenopus egg at the lower right of the cell, which side of the cell will become the dorsal side?
Selected
1 answer
42 views
What is the term for cells in the marginal zone of Xenopus embryos that are thicker toward the inside and narrow toward the
1 answer
32 views
What causes a gray crescent to appear in many frog embryos?
Selected answer will be automatically saved. For keyboard navigation,
1 answer
36 views
Which statement best describes a frog egg prior to fertilization?
Selected answer will be automatically saved. For keyboard
1 answer
35 views
In frogs, maternally packaged Xwnt-11 leads to nuclear localization of __________ in the __________, which in response signals
1 answer
48 views
Removing the ventral blastomeres from a four-cell amphibian embryo gives rise to an embryo lacking which tissue?
Selected answer
1 answer
46 views
In frogs, maternally packaged Xwnt-11 leads to nuclear localization of __________ in the __________, which in response signals
1 answer
44 views
The amphibian egg is radially symmetric along the animal-vegetal axis. What ‘breaks’ this symmetry?
Selected answer will be
1 answer
40 views
The role of maternal factors (such as Vg-1, Xwnt-1, and VegT) packaged into the vegetal region of the Xenopus oocyte is:
Selected
1 answer
41 views
Mammals demonstrate many unique aspects of development. Internal development within the maternal body requires many adaptations
1 answer
37 views
Besides the placenta and yolkless eggs, early mammalian development has many more unique features:
Rotational cleavage. Unlike,
1 answer
59 views
