Answer:
All living things contain carbon in some form. Carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates. Carbon's molecular structure allows it to bond in many different ways and with many different elements.
Explanation:
As trees takes in carbon dioxide and gives out oxygen, it is almost similar to how our lungs work in our respiratory system. As you know, lungs remove carbon dioxide from our body and transports oxygen in order for us to survive. So the tropical rainforests gives out oxygen for our survival needs, which is somewhat similar.
I hope you understand lawl
When the body moves the muscles supplies the effort or input force. An effort force is a force that is used to move objects over a distance. It is the force that is used to get work done. The output force is the results of the input force or what one has accomplished. The force that moves the bones comes from the muscles. The energy that the muscles use to produce the force and move it through a distance comes from the food one eats.
They are part of our immune system they help protecting your body infection,illnesses ,and syndromes etc
So I believe these are the questions to go with the statement based on the info given to make a question (hypothesis) , I believe it’s “A” because based on the statement it give details about the one of them being able to drink water that contains fluoride salts and the other doesn’t drink water with fluoride salt . And we don’t know where they live , or even who drinks the fluoride salts or no so “A” is a appropriate question to give . And the numerical data part can also include the people who lives in their neighborhoods .
Hope this helps☺️
