Correctly order the steps involved cellular immunity:.
A. The Tc recognizes the infected host cell.
B. The Tc interacts with epitope presented by MHC-I on the dendritic cell.
C. The Tc secretes perforin and granzyme, causing apoptosis.
D. The helper T cell activates the Tc cell.
1. 1,2,4,3.
2. 4,2,1,3.
3. 2,4,1,3.
4. 2,1,3,4.

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

true                                                                                                       true true true true true true

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )