Please help im really tired. U can do anyone you want and if u can do more then one it would be really helpful

3. B

4. D - if its plant growth cause I cant see it

Explanation:

the controlled variable you should be able to control 8n which b is the only option and d. the growth of the plant is dependant on the sunlight.

hope this helps sry if I'm wrong

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.