Answer: Ethylene
Explication: Ethylene is a hydrocarbon which has the formula C ₂H ₄ or H₂C=CH₂. It is a colorless flammable gas with a faint "sweet and musky" odor when pure. It is the simplest alkene. Ethylene is widely used in the chemical industry, and its worldwide production exceeds that of any other organic compound.
Portents proteins proteins
Hello. Happy to help.
1) Coast Lines: The location of marine fossils can help determine where and when ancient coast lines were in the past.2) Climates: Fossils can be used to determine the past climates. (Was an area cooler or wetter than the present.)
The presence of marine or land fossils indicates whether the land at one time was at the bottom of the ocean or not.
Also, you could mention radioactive dating and relative dating. I am sure that is mentioned in your curriculum.
Hope that helps.
Answer:
The answer is C. Hormones
Explanation:
D is because the rest does not add up
