Ques:Read the passage below and choose the right answer to the following question (choices are less oxygen in her blood later in life or more oxygen in her blood later in life ): Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree. Suppose that Mary smokes cigarettes for 20 years. If you measured the oxygen levels in her blood before she started smoking and compared them to oxygen levels later in her life, what would you find less oxygen in her blood later in life or more oxygen in her blood later in life?

Ans:less oxygen in her blood later in life
-----
Ques:Read the passage below and choose the right answer to the following question (choices are shallow or deep ): Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys. Sandra sees a tiny glacier, and notes that it has smaller tributary glaciers flowing into it, in valleys that are shallow or deep?

Ans:deep
-----
Ques:Read the passage below and choose the right answer to the following question (choices are common or rare ): Bacteria with a mutation the helps resist antibiotics increase in numbers, so the mutation becomes more common. Dana washes her hands a lot, so her bacteria has muted to help to resist antibiotics. As that bacteria increases in numbers, the mutation becomes common or rare?

Ans:common
-----
Ques:Read the passage below and choose the right answer to the following question (choices are colder or warmer ): The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering. Plants grow better in tropical areas because it is colder or warmer?

Ans:
warmer
-----