The three animals are a turtle, a mouse, and a bat. Answer the questions below or give me starters/ examples on how I should answer them. Thanks.

Astudent wants to compare the amounts of co2 given off by yeast provided with different amounts of sugar. the student places a balloon over each container to catch the released co2. which observation is a qualitative observation the student can make?

Mendel used over 28,000 pea plants in his experiment. how does this large sample size make his results more reliable? (i'm not sure about this one)

Excess nitrogen can lead to a algal blooms and the death of fish. which characteristic of nitrogen causes this problem?