5 grams will be left. After the first 1000 years, there will be half of 20 left, or 10. After 2000 years, half of 10 will remain, which is 5.
Answer:
vestigial structure that is C
When cells start to swell up with water, Osmosis takes place.
Answer:
D. it is impossible to partially inherit a genetic trait
Explanation:
