How does the atmosphere help to make Earth livable? Check all that apply. causes the seasons
contains oxygen
provides warmth
creates important nutrients
blocks harmful energy from the Sun

What role do traits play in affecting an organisms ability to reproduce? finches

A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?