Oxygen was first produced via photosynthesis as ocean microbes evolved in the event that was called the Great Oxidation Event. Therefore the correct answer is C
Answer: Temperature before the increase in 
was a few degrees lower than temperature after the increase.
Explanation:
According to Charle's Law which states that The volume of gas is directly proportional to the temperature of the gas, when pressure is kept constant.
(At constant Pressure)
With the increase in level in atmosphere the increase in temperature of the atmosphere will be observed.
Hence, temperature before the increase in was a few degrees lower than temperature after the increase.
Answer:
Every element has a proton, neutron, and electron. The number of protons is equal to the atomic number, and the number of electrons is equal to the protons unless it is an ion.
I believe it is the last answer, hope this helps!
It’ll cause an explosion because it contains lots of different chemicals & all of the chemicals mixed with fire would set off an explosion.
