Answer: Oxygen atom has 8 Protons
Explanation:
Oxygen atom (O) has an atomic number of 8, and a mass number of 16.
Recall that atomic number of any element is equal to the number of protons in its electronic shell, hence, the number of protons in oxygen atom is also 8
For many species, there are often regional differences in their genes, although most of the time this differences aren't noticeable in their outward appearance.
By the process of meiosis
Answer: It should be D.
Explanation
Facilitated- requires energy- large molecules require energy to go cross the phospholipid bilayer.
You can use a plotting compass or iron filings to detect a magnetic field:
1.put a piece of paper over a magnet (this stops the iron filings sticking to the magnet)
2. sprinkle iron filings onto the paper
3.gently tap the paper to spread the filings out
4.observe and record the results
