C. Socially-constructed groups.
Answer:
A beacuse they can die without food
I can't see the whole image, but I would say A, since it is the only statement. B and D are steps in the experiment, and D is a question, not a statement.
Answer:
Without enough light, a plant cannot photosynthesise very quickly
Explanation:
Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.
DNA is made of genes and contains many chromosomes I had the same test in tci