Problem:OPTIONS:
- veins
- muscles
- fibers
- capillaries

Q: What bodily structures consist of the endothelium and its basal lamina? A:
****
A: capillaries

Q: What are biomes that occur where a river, a source of fresh water, meets the ocean called? A:
OPTIONS:
- waterways
- sediments
- rapids
- estuaries
estuaries

Q: What kind of hormones are secreted by organs classified as gonads? A:
OPTIONS:
- growth hormones
- anterior hormones
- cortisol hormones
- sex hormones

Answer: sex hormones

Question: Q: What is the loss of energy available to do work called? A:
OPTIONS:
- negentropy
- force
- power
- entropy
Answer: entropy

input with options: Q: What chemical reaction is the opposite of oxidation? A:
OPTIONS:
- mutation
- condensation
- evaporation
- reduction
output: reduction

Problem: OPTIONS:
- geothermal cycles
- greenhouse gases
- inorganic cycles
- biogeochemical cycles
Q: Q: Chemical elements and water are constantly recycled in the ecosystem through what? A:
Answer:
biogeochemical cycles