Answer:
In uranium-lead dating, for instance, the radioactive decay of uranium into lead proceeds at a reliable rate. Based on the very old zircon rock from Australia we know that the Earth is at least 4.374 billion years old.
And that's how after rounding we know that earth is 4.5 years old.
<span>Eubacteria and Archeabacteria (Archea)
Hope this helped :)</span>
Answer:
True
Explanation:
The deep parts of an ocean receive minimal or no sunlight. Hence, the survival of phototropic organisms like plants and algae is impossible or minimal here. Hence, there is a very little diversity in deep oceans. The organisms living here have to feed on dead decaying matter or on each other for survival. Mostly, the organisms living here use dead organisms as food. No other food source is available here.
Most steps of cellular respiration takes place in the mitochondria. Oxygen and glucose are the reactants and the products are mainly ATP, water, and carbondioxide.
Electron Transport chain, the final stage of cellular respiration