Biology, 18.11.2019 10:31 Martinez6354
The figure shows an energy pyramid for an ecosystem. what happens to the amount of energy in the pyramid as it moves up through the different levels? a) it increases by a factor of about 10%. b) it decreases by a factor of about 90%. c) it increases by a factor of about 90%. d) it decreases by a factor of about 10%.
Answers: 2
Biology, 21.06.2019 21:00
~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears
Answers: 1
Biology, 21.06.2019 23:30
Aboy with an extra x chromosome probably has which of the following syndromes?
Answers: 1
Biology, 22.06.2019 02:00
Consider the motion of the balloon and its air contents in terms of momentum. in step 1 above, the total momentum of the balloon and its contents was zero. recall that momentum = mv. both the balloon and the air inside it had a velocity of zero and therefore the total momentum was zero. now think about what happened when the air escaped from the balloon. a certain mass of air accelerated in one direction. in order to keep the total momentum of the system zero, the balloon itself (which has mass) had to accelerate in the opposite direction. use this scenario to you explain why the soda can rotates when the water squirts out of the escape holes. what was your hypothesis concerning the water-filled can? according to your data, do you think your hypothesis was correct? (be sure to refer to your data when answering this question.) summarize any difficulties or problems you had in performing the experiment that might have affected the results. describe how you might change the procedure to avoid these problems. give at least one more example of newton's third law in everyday life.
Answers: 1
Biology, 22.06.2019 03:30
What organelle other than the nucleus houses dna in a eukaryotic cell?
Answers: 1
The figure shows an energy pyramid for an ecosystem. what happens to the amount of energy in the pyr...
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