Answer: Protons
Explanation: Every atom is defined by its protons every element. So if it has 1 proton its hydrogen no matter what. If it has 2 protons its helium no matter what and so on. So if you know the number of protons you know the element.
The atomic number tells you the number of protons that are in the core of a particular element.
A unique feature of diatom cells is that they are enclosed within a cell wall made of silica<span> (hydrated silicon dioxide) called a </span><span>frustule.</span>
Hormones are any member of a class of signaling molecules in multicellular organisms, the job of hormones in a body is to be messengers and controlling and corddinating things in the body peptide hormones is the molecular structure of hormones . Amino acids is what they are composed of. The ovaries and the testes are organs that produce hormones
Answer:
true
Explanation:
Because it is a subject in the population like everybody is
Hi this is called the nasolacrimal duct that carries tears in the eye to the nose.
Hope this helped please name this brainiest thanks.