Problem: OPTIONS:
- similar notation
- scientific diffusion
- certain diffusion
- scientific notation
Q: Q: What system can be used by scientists to express very small numbers? A:
Answer: scientific notation

Problem:OPTIONS:
- skull size
- skin and feathers
- skin inside wings
- bones inside wings

Q: Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences? A:
****
A: bones inside wings

Q: The nephron is the functional unit of what pair of organs? A:
OPTIONS:
- lungs
- eyes
- ribs
- kidneys
kidneys

Q: Water is a polar compound, so its molecules are attracted to each other and form what kind of bonds? A:
OPTIONS:
- mixed
- carbon
- helium
- hydrogen

Answer: hydrogen

Question: Q: The pulmonary circulation carries blood between what two organs? A:
OPTIONS:
- heart and pancreas
- kidney and heart
- lungs and kidney
- heart and lungs
Answer: heart and lungs

input: OPTIONS:
- it decreases
- it evaporates
- it stays the same
- it increases Now, answer this question: Q: As hydrostatic pressure in the kidneys increases, what happens to the amount of water leaving the capillares? A:
A:
output:
it increases