Answer:
semi-conservative
Explanation:
Each helix that is created contains one strand form the helix from which it was copied
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:
Freon
Explanation:
<em>Freon is a trademark name for halocarbon (specifically, fluorocabon) products that once served (and still serve in some cases) as refrigerants. They are no longer utilized as refrigerants due to their negative effects on the environment and the ecosystem in general.</em>
<em>In addition to being used as refrigerants, freons are also used as aerosol propellants in cosmetics and household sprays.</em>
All plants: Trees, grass, and flowers. Plants go through photosynthesis through use of the sun in the time sun is available, and go through cellular respiration their entire lifespan.