q:
a:
according to the dichotomous key, in what way(s) is the house sparrow similar to the cobra?
a) both are autotrophic and live on land.
b) both are not a mammal and are autotrophic.
c) both live on the land, are unicellular, and are not trees.
d) both are not a mammal, are multicellular, and are heterotrophic

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

What percentage of light hits earth's surface directly?