Which enzyme has an optimum pH that is alkaline/Basic (pH above 7) Arginase
Salivary amylase
Pepsin

it would lead to upper respiratory infections and pneumonia.

i wish i could with all of them i can barley see the first one so here's the answer to the first one b

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

b. climate change will cause an increase in biodiversity of all ecosystems.

hope this