Please help asap i will mark brainliest

C

Explanation:

The major difference between hydrogen + oxygen and water itself is that they behave very differently. Visually from the diagram, you can tell that the states change, therefore proving that compounds can have different properties than the elements that make it up.

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hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

its temperature is increasing. this causes molecular vibrations to increase.