Unit 3.20 Transpiration Lab
Can some one figure this out for me???plss

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Which of the following human activities resulted in the growth of the north american deer population?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic