Answer:
The amount of oxygen in the atmosphere would decrease.
Explanation:
If a massive toxic spill kills off half the population of photosynthetic plankton in the ocean. That would mean that only half of the original population of plankton will remain. Photosynthetic plankton consumes carbon dioxide from the atmosphere during photosynthesis to produce energy and releases oxygen.
Answer:
yes
Explanation:
due to drift / variation human has been able to atttain high and advanced level of intelligence and development
D so that bacteria doesnt multiply in the grains since moisture favours them