Senate vs an elected senate (compare & contrast)

I am pretty sure

Explanation: So, a senate is a group of people who earned their rank through years of experience and learning, an elected senate, is when people elect the senate based on their opinions.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

those sounds of the natural world are bioacoustics, and they're more than a false-color spectrogram of data from the musiamunat conservation area.