The correct answer is Oxygen.
The surface of the Earth was liquefied. As the Earth cooled, an atmosphere generated primarily from gases erupted from volcanoes. It constituted methane, hydrogen sulfide, and ten to 200 times as much as carbon dioxide in comparison to today's atmosphere.
It was considered that there was an extreme volcanic activity for the initial billion years of the existence of the Earth. The initial atmosphere was possibly majority carbon dioxide will no or little concentration of oxygen. There were slight quantities of ammonia, water vapor, and methane.
Answer: a reaction in which energy is absorbed from the surroundings is called an endothermic reaction
Explanation: in in document reactions the enthalpy of the products is greater than the empathy of the reactants. exothermic reactions heat up their surroundings while endothermic reactions cool them down
Answer:
The correct answer is C. Raccoons are generalists, and salamanders are specialists.
Explanation:
Generalist animals feed on a wide variety of prey or food that they might find anywhere. They can develope under many enviromental conditions making use of many reasoucers.
Specialist animals search for their special kind of prey or food until they find it, inhabiting only in areas under certain contidions.
Answer:
The independant variable is the Vaseline
The two mistakes were her not counting how many normal leaves their were and makin a faulty conclusion.
Photosynthesis stops when the gases stop flowing.
Explanation:
Biology. No explanation needed
