Carbon dioxide is the compound in photosynthesis, I'm pretty sure
Answer:

Explanation:
We recognize that total occurrence equals new cases of disease over time divided by the number of people at risk at the onset.
Mathematically:

Given that:
Number of the population at risk = 1000 individuals
New cases during Jan 1 - Dec 31 = 60 because;
At 20 occurred on June 30 & 40 on Sept. 30) & no new cases were identified after that:
∴

Answer:
The answer is B. They both tell you how fast the object is traveling.
Explanation:
Sorry if this is wrong. Just trying to help!
1. In sexual reproduction, more variations are produced. Thus, it ensures survival of species in a population.
2. The new formed individual has characteristics of both the parents.
There are a couple more but i think these are the most important when you compare the two.