Answer:
the second one is the correct one
Explanation:
Invading infectious diseases can, in theory, lead to the extinction of host populations, particularly if reservoir species are present or if disease transmission is frequency-dependent.
Oxygen molecules diffuse fast because the main gas in a cell in Carbon Dioxide its like if it was 99.9 percent carbon that .1 percent is oxygen and carbon dioxide being what it is. Automatically overrides the amount of oxygen. Basically it is nonpolar
Answer:Mice can be male without Y chromosome ... Ward’s work is “a lovely example of how you can lose even a really important gene,” she says. ... don’t have Eif2s3y genes on their Y chromosomes.
Explanation:
