The most likely answer is B, increased significantly. This is so, because of the vast amount of cars, and factories, still in use.So, based upon the statistics and the levels of pollution all over the world, I would have to answer B.
Answer:
it explains how eukaryotes came from ancestral prokaryotes.
it theorizes that some organelles (mitochondria and chloroplasts), evolved from free-living prokaryotes that were overtaken and subsequently became obligate endosymbionants.
Explanation:
There are three main stages to get from food molecules to ATP: glycolysis, the citric acid cycle, and the electron transport chain.
Answer:
B. Brain stem
Explanation:
The brain stem controls basic body functions such as breathing, swallowing, heart rate, blood pressure, consciousness, and whether one is awake or sleepy.
Answer:
lower activation energy
brainliest is appreciated
Explanation:
Catalysts make such a breaking and rebuilding happen more efficiently. They do this by lowering the activation energy for the chemical reaction. Activation energy is the amount of energy needed to allow the chemical reaction to occur. The catalyst just changes the path to the new chemical partnership.2