Which environmental problem have we not invented a technological solution for? A. plastic trash persisting in the environment.

B. providing water in a drought .

C. sustainable farming techniques.

D. renewable sources of energy

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Nucleic acid certain protein cell membranes certain carbohydrates