What is a vital element in Earth's atmosphere that helps it support life when other planets can't? A) The element of surprise
B) Hydrogen
C) Oxygen
D) Carbon dioxide

What is the following best defines climate?

What part of the brain is highlighted in the diagram below?

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?