A student wants to find the benefit of a certain structural trait in mice. What is the first step the student should follow? A. Design a classroom experiment.

B. Generate a graph of the results of this experiment.

C. Breed me with and without the trait together.

D. Observe the survival rate of mice with the trait in nature.

Help ASAP please

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.