The largest chunks of time in the geologic record are called EONS
During blood typing, the blood plasma is checked for antibodies. This is what is meant by "anti" in the statements. Keep in mind that if the antibody against a specific blood type is present, the blood cannot have that type. So, if anti-A is present, the blood type is not A.
Moreover, the Rh antigen determines the positive (present of Rh) and negative (absence of Rh) nature of blood type. If the anti-Rh is present, the blood type is negative. Using this information, we see that:
a) A negative
b) B positive
c) AB positive
d) O negative (O because both anti-A and anti-B are present)
e) <span>AB negative (AB because neither anti-A and anti-B are present)</span>
Answer:
Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process. By doing so, they sustain life on Earth.
