Answer:
Lipids!
Explanation:
Lipids are made up of Oils that, when mixed in water or other chemicals, will separate. Since Oils do not mix and float to the top, and since Oils are a type of lipid, the answer is Lipids!
The answer is A and D. At first, they are confused with the structure. All they know is the DNA is consists of A, T, C and G. After they know the number relationship, they figure out that base may be pairs(A&T, G&C). Then the X-ray helps them to get the coiled helix structure.
<span>C. I and III only is the answer hope i helped</span>
Hello!
To solve this problem you need to use the following equation for heat transfer to calculate the heat added (Q) and substitute in this equation the values for specific heat (c), mass (m) and temperature difference (ΔT). The following equation describes the heat needed to raise the temperature of a given object:

:
So, to heat the cafeteria fork made of iron with a mass of 20 grams from 25 °C to 75°C, you'll need
121 cal of heat energy.
During puberty the testes of the man will begin to produce testosterone. This causes hair growth in multiple areas of the body and the voice change. Similarly, women begin to grow hair but also begin menstruation.