Q: Q: What is the process that moves particles by rolling or dragging along the bottom of the water? A:

OPTIONS:
- compaction
- compression
- isolation
- traction

A: traction

input: OPTIONS:
- soil
- gases
- animals
- plants Now, answer this question: Q: What are the primary producers in terrestrial biomes? A:
A:
output: plants

Q: Which layer of soil experiences the most weathering? A:

OPTIONS:
- subsoil
- bedrock
- humus
- top layer

Answer: top layer

Problem: OPTIONS:
- muscle organelles
- muscle filament
- muscle polymers
- muscle fibers
Q: Q: Muscles are composed mostly of cells called what? A:
Answer: muscle fibers

Problem:OPTIONS:
- chitin
- epidermis
- golgi apparatus
- mitochondrion

Q: What does the inner membrane divide into two internal compartments? A:
****
A: mitochondrion

Problem:OPTIONS:
- gaseous heavy metals
- alloys
- sulfuric heavy metals
- toxic heavy metals

Q: Mercury and lead, which was once widely used in paint and gasoline, are examples of what type of metals? A:
****
A:
toxic heavy metals