What do the four major groups of organic compounds all have in common?
a they all contain carbon.
b they all contain nitrogen.
c they all contain water.
d they all contain carbon dioxide.

A. They all contain carbon.

Explanation:

carbohydrates- Carbon,Hydrogen, Oxygen 1:2:1

Lipids- Carbon, Hydrogen, and Oxygen

Protein- Carbon, Hydrogen, Oxygen and nitrogen

Nucleic Acid- Carbon, Hydrogen, Oxygen, nitrogen, and phosphorous

correct answer: false

while planning water activities, it is very important to consider the weather, because if we do not plan and are going for a surf, then it might be that the hurricane came and drown us or may carry us to long distance from where we can not come back. there are many reasons to take information about the weather when we are planning any water activities.

hence, the correct answer would be false.