If the hormone level reaches a high level in your body, the endocrine system senses that and sends signals to the gland to
releasing it.
a. stop I
b. increase

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

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?

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america