Which of the following are parts of the cardiovascular system?
a) Blood
b) Heart
d) Blood vessels
Choose: a); b); d)
Answer:
how a freshwater ecosystem, such as a pond, can change into a terrestrial ecosystem.
Explanation:
The water form clouds after evaporation, clouds will be liquid when clouds are liquid this is the process and the time when water becomes rain and return back to the earth which we called it precipitation.