Answer:
A haploid is a cell with a single set of chromosomes.
Answer
Chemical elements and water are constantly recycled in the ecosystem through biogeochemical cycles. During the water cycle, water enters the atmosphere by evaporation and transpiration, and water returns to land by precipitation.
Explanation:
hope this helps :)
It remains dormant during unsuitable conditions.
Answer AND Explanation:
When sodium atoms bond with one oxygen atom they form a covalent bond. However, there has to be two sodium atoms each with an extra electron that are donated to oxygen. Each of these sodium atoms gives oxygen one electron, allowing the oxygen atom to have a full shell with eight electrons. The sodium atom loses one orbital level since the electrons are donated.
4Na + O2 → 2Na2O
