6. D - was cruel
7. B - important
8. A - requires great effort
9. C - began
10. D - brought it back to its former condition
Answer:
Moderate temperatures and rainy
Explanation:
Mathematics was the tool which scientists used to prove their theories and ideas. Mathematics was able to prove whether an idea a certain scientists had was correct or whether it was wrong. With this they wre able to advance the field very rapidly.
Answer:
Correct answer is "decrease / increase"
Explanation:
Depreciation is a kind of cost that is used to lower the carrying price of
a resource. It is an approximate price that is planned rather than a clear
payment.
The application of a depreciation system permit the company to price the value of a benefit over time while decreasing the carrying cost of the benefit.