Answer:
D
Explanation:
D is the best answer, as it’s the only true statement. The circulatory system consists of your blood, blood vessels, and heart. The system is mainly responsible for delivering nutrients and oxygen to your cells and removing waste like carbon dioxide.
In humans, pharyngeal slits are presents in the embryo and develop into the the ears
Abiotic refers to NONLIVING things. Such as rocks..
Sooooo it would be water because although there are so many living things in water the actual chemical compound of H2O is nonliving.
C
Methamphetamine is neurotoxic to dopaminergic neurons in the human’s midbrain. It increases the amount of the dopamine in the brain and as a result, produces the euphoria feeling that many people experience. It is also indicated that high-dose methamphetamine use can be neurotoxic to serotonin neurons (with the potential of damaging neurons)<span>.</span>
D. mRNA is synthesized from a strand of DNA.
Transcription, hence the root script, means to write. This is the creation of the mRNA "messenger" information.