Carbon enters the atmosphere as carbon dioxide from respiration and combustion. Carbon dioxide is absorbed by producer to make carbohydrates and photosynthesis. consumers feed on the plants passing the carbon compounds along the food chain.<span />
Answer:
14amu
Explanation:
Given subatomic particles:
Number of protons = 7
Number of Neutrons = 7
Number of electrons = 7
Unknown:
Atomic mass unit; amu of nitrogen
Solution:
The atomic mass unit of a substance is the number of protons and neutrons in such an atom;
Atomic mass unit = number of protons + number of neutrons
This is because the mass of an atom is concentrated in the nucleus;
For the given specie;
Atomic mass unit = 7 + 7 = 14amu
Answer:
Volume is the amount of space occupied by a sample of matter. The volume of a regular object can be calculated by multiplying its length by its width by its height. Since each of those is a linear measurement, we say that units of volume are derived from units of length.
Explanation:
Hello Mlevintova, <span>Who first proposed the principle of the heliocentric theory, </span>Aristarchus of Samos was an ancient Greek astronomer and
mathematician who presented the first known model that placed the Sun at
the center of the known universe with the Earth revolving around it.
