Answer: B
Explanation: It is the question 2 that can be answered using scientific process. scientists can better explain the effect of plastic bags on birds.
The other question can be answered by research or logics.
Answer:
It's like the skin
Explanation:
Epi- outer layer
Dermis- Skin
It protects the more fragile layers underneath like how our skin protects our body from pathogens.
Leaves wilt.
Growth is slow.
Brown spots appear on leaf tips.
New and older leaves eventually turn yellow and fall at the same time.
Soil is constantly damp or drainage is too slow.
Roots become spongy, turn brown and rot.
Answer:
Soybeans are considered a whole source of protein.
Explanation:
This means that they provide the body with all the essential amino acids it needs.
"The taller you are, the faster your heart rate." This hypothesis is testable, but not experimental.