Bacteria are involved in oxygen and food production, environment recycling and cleanup, and in health maintenance and medicine production.
Answer:
the answers are a&d sorry if #1 isnt correct
Explanation:
To convert to scientific notation, start by moving the decimal place in the number until you have a coefficient between 1 and 10; here it is 3.45. The number of places to the left that you had to move the decimal point is the exponent. Here, we had to move the decimal 4 places to the right, so the exponent is -4.
Those reproductive cells are called gametes
