Just changed and transferred
<u>Answer:</u>
Yes,We live in the Cenozoic era, and scientists know more about this era and epochs.
<u>Explanation:</u>
This is because the cenozoic period is one of the three main periods of earth's history which began about 66-million years ago, lasting to the present. It is the latest or the current era of life. In this era, the rock layers are preserved more and destroyed in much lesser degree as compared to previous eras.
The Cenozoic Age is often recognized as the Mammals age because many species of large animals have been annihilated, enabling the preservation and proliferation of smaller creatures as their hunters no longer existed.
Answer:
Nitric oxide.
Explanation:
Superoxide may be defined as the compounds that contain the superoxide anions like oxygen anion (O2-). This is also known as the reactive oxygen species.
These anions are generated by the immune system to kill the pathogens. These superoxide include the species like NO, NO2. These super oxide anions are toxic to the cell membrane and also plays an important role in the process of ageing.
Thus, the correct answer is option (A).
Invasive exotic species are species that interfiere with the natural food chain and are usually foreign
A controlled experiment is the type of experiment when <span>two experiments are identical except for one variable. So the word missing is Controlled experiment. Hope this helps</span>
