Answer:
i thing it's b or c
Explanation: the earliest bacteria didn't need oxygen at first.and not all living things create the same proteins. it matters on what kingdom and species it is from.
<span>Although there are a little more than 100
different elements in the world, only a small number comprise a majority of the
different systems on Earth. The elements that make up rocks and minerals of
solid Earth include silicon, oxygen, iron, magnesium, and other trace amounts
of various elements. Living organisms are composed primarily of carbon, oxygen,
and hydrogen. Other elements in living matter include calcium, nitrogen,
phosphorus, potassium, and trace amounts of other elements. </span>
Answer:
The varied effects of climate change are changing the ocean; these changes ... Climate change poses a major threat to coral reefs. ... Scientific evidence now clearly indicates that the Earth's atmosphere and ocean are warming, ... burning fossil fuels for heat and energy, producing some industrial products,
Explanation:
sorry if i am wrong
1.The presence of valves 2.the milking action of skeletal muscles 3. the veins as the muscles contract
What they have in common is that they are plants the grow from seeds come out of the soil and the all survive from the sun and water and also the are all green