I believe the answer is B. PO4-3
Answer:it will sink in water
Explanation:
Answer:
paired electrons is magnetic configuration
B- Carbon nitrogen and oxygen. All organisms are made up of carbon, oxygen is essential to breath, and nitrogen makes up most of earth's atmosphere.
Both rods and cones are photoreceptor cells but rods are responsible for black and white vision while cones are responsible for color vision.
<span>Both types of cells rest on basement membrane.</span>