Evolution is the process of natural selection. For species to survive they must be the best. Darwin had the theory of "Survival of the Fittest" however, there are many conflicting opinions.
The last sentence is correct.
please vote my answer brainliest. thanks!
Hi!
The answer should be %50
Hope this helps!
-Payshence xoxo
A. It has mass.
Air is matter, and can't be seen thus not all matter can be seen.
Any liquid or gaseous is matter (water, air, etc.)
Since it can be liquid or gaseous it doesn't have to maintain it's shape and size to be matter.
Endocasts of Homo erectus (left) and Homo sapiens (right) illustrate rapid increase in brain size. As early humans faced new environmental challenges and evolved bigger bodies, they evolved larger and more complex brains. Large, complex brains can process and store a lot of information.