Why do legume plants enrich soil?

a) They remove selenium a deadly poision

b) They encourage breeding of earthworms

c) Their roots contain nitrogen-fixing bacteria

d) Their root system penetrate 2 meter below the surface

What is it called when the vesticles are used to move substances out of the cell? A. Endocytosis B. Exocytosis C. Passive D. Diffusion

Outline the levels of organization starting with the smallest, organisms

An organism that uses energy from sunlight to produce food

Every living thing needs a set of instructions that are necessary to live and grow. Where are these instructions found?

If the earth were not tilted in its orbit how would the climates and seasons be affected at the equator and between 30 north and south latitudes

Which rays of the electromagnetic spectrum are responsible for causing sunburn when you spend too much time exposed at the beach? A) Ultraviolet B) X-rays C) Gamma D) Visible E) Infrared Correct answer will be given the Brainliest! : D

Food and medical procedures can expose people to radiation. Therefore, the effects of radiation from a nuclear power plant are not a reason for concern. True False

What are 2 characteristics of tropism?

Rubbing the balloons against the woolen fabric or your hair creates static electricity. This involves negatively charged particles (electrons) jumping to positively charged objects.

Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? A) gamma aminobutyric acid B) acetylcholine C) cholinesterase D) norepinephrine