20% is in the great lakes
1. For which of the following activities might you want to hire a chemist?A. testing a sample of water from a well
2. Which of the following procedures involves a physical change in one of the substances?
D. grinding chalk into a fine powder
3. You have three molecules of glucose (3C6H12O6). How many oxygen atoms do you have?
C. 6
The 4 things that both cells have is a plasma membrane, ribosomes, cytoplasm, and DNA!
the 2 basic types of cells are eukaryotic and prokaryotic.
(i had to go digging through my old science notes for this haha)
Answer:
c) matter in an ecosystem flows in one direction and is never reused.
Explanation:
A is true
There are two events,
A: the selection belongs to the specific species, or
A' : the selection does not belong to the specific species.
