which of the following would not be a teratogen? cigarettes, lead, rubella (german measles) , or steak

what's the rest of the question

it's c. (to reduce the greenhouse effect/carbon gasses)

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

the scientific method.