They can cause Down's syndrome or some other chromosomal disorder
Answer:
Research for species is done by microscopic view. The micro organism like fungi and bacteria are difficult to be observed by naked eye.
Explanation:
The research process includes the detailed view of the properties of micro organism. Their way of living separates them from each other. Parasites used to live in the body of their victim.
C. Convection.
That is the process you are describing.
Answer:
movement
Explanation:
the movement depends on the temp.
Fossil fuels and green house gases which burn holes in the ozone layer of the atmosphere causing global warming
