Bonus Question 13)
Ocean acidification is of considerable concern to environmental scientists as it could impact ocean biodiversity significantly. What
is the most likely chemical reaction that contributes to the change in ocean pH?
A)
Carbon dioxide interacts with ocean water to form carbonic acid, which
Lowers ocean pH.
B)
Nitrous oxide interacts with ocean water to form nitric acid, which
increases ocean pH.
Decaying organic matter in the ocean releases acetic acid, which lowers
the oceanic pH.
D)
Sulfur dioxide interacts with atmospheric water vapor to form sulfuric acid
which falls into the oceans, lowering the pH.

Two true-breeding pea plants were crossed. one parent is round, terminal, violet, constricted, while the other expresses the respective contrasting phenotypes of wrinkled, axial, white, full. the four pairs of contrasting traits are controlled by four genes, each located on a separate chromosome. in the f1 only round, axial, violet, and full were expressed. in the f2, all possible combinations of these traits were expressed in ratios consistent with mendelian inheritance. (a) what conclusion about the inheritance of the traits can be drawn based on the f1 results? (b) in the f2 results, which phenotype appeared most frequently? what mathematical expression predicts the probability of occurrence of this phenotype? (c) which f2 phenotype is expected to occur least frequently? what mathematical expression predicts this probability? (d) in the f2 generation, how often is either of the p1 phenotypes likely to occur? express your answer as a fraction (example: 3/16).

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Are the layers of rock above and below the coal older or younger?