Q: What is the transfer of heat by a current? Choices: - radiation - combustion - diffusion - convection A:
convection

Q: Sandblasting a surface exemplifies what form of erosion? Choices: - wind - glacial - water - abrasion A:
abrasion

Q: Q: Overharvesting is especially challenging for species with what type of habitat? Choices: - tundra - allowed - classified - restricted A:
A: restricted

Question: Q: What is less dense then either solids or liquids? Choices: - plasma - ice - dark matter - gases A:
Answer: gases

*Question*
Q: What is formed when an enzyme binds its substrate? Choices: - vessel - substrate complex - nucleus - substrate complex - lock and key model - enzyme - substrate complex A:
**Answer**
enzyme - substrate complex

(Q).
Q: What is the hollow sac like organ that stores urine until it is excreted? Choices: - kidney - ureter - tumor - bladder A:
(A).
bladder