Answer:
hormones
Explanation:
An example of materials commonly released this way is hormones. These are chemical messengers that are sent to the pituitary gland where they are released directly into the bloodstream. The blood then carries the hormones to different organs and tissues of the body in order to exert their specific function which varies depending on the specific type of hormones being secreted.
Since chemical weathering is the reaction of rocks with other chemicals, the answer should be answer D!
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<span>the molecule that carries the instruction for producing mRN is DNA</span>
