Answer:
1 (B)
2 (A)
Explanation:
1. (galaxies are what a planet nebula and a star are inside of) a nebula if your wondering is a cloud in the galaxy.
2. (Stars because of the fact that our moon is smaller than the planet we live on is my explanation
Carbon has an atomic number of 6, atomic number is the number of protons in the nucleus of an atom, therefore carbon has 6 protons, and since the number of electrons are equal to the number of protons in a neutral atom, then the number of electrons in carbon atom is 6
Answer: Blood comes into the right atrium from the body, moves into the right ventricle, and is pushed into the pulmonary arteries in the lungs. After picking up oxygen, the blood travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle, and out to the body's tissues through the aorta.
Explanation: use quillbot or wordtone to change it for plagirsim
In order for plants to assimilate nitrogen directly into their system, the nitrogen must be in the form of nitrates. Nitrogen in the air and ammonia from decayed matter in the soil is converted to ammonium by decomposers and nitrogen-fixing bacteria. The ammonium is further nitrified to nitrates by nitrifying bacteria. Finally, the nitrates can then absorbed by the plants.