Answer:
4) to reduce greenhouse gases
C. 6.81x10^-4
It is negative 4 because the 6 is 4 digits away from the first 0.
Scientific notation has one number and then the decimal place so it can not be A or E.
Answer: True
Explanation: There are some microorganism tend to spoil the food and produce the bad odor, spoilage etc in the food which may lead to disease like food borne disease.This disease leads to the serious health conditions or sometimes death.Example of such bacteria are-Serratia, Lactobacillus etc. These microbial organism infect the food and thus lead to food borne disease . So,the statement given is true.
Yes they are very well educated
