HELP ASAP Which of the following choices is an example of air pressure?
a-moisture causing the air to be heavy
b-molecules of mostly nitrogen pushing down on your skin
c-water vapor cooling to form clouds
d-air temperature cooling to its saturation point
convection

What is the difference between bacterial infections and viral infections?

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material