What is the main function of the immune system? A. keeps you healthy

B. regulates your blood flow

C. removes waste (i. e. urine and sweat)

D. allows you to move

A. keeps you healthy

Explanation:

The immune system protects your body from outside "invaders," such as bacteria, viruses, fungi, and toxins.

A. keeps you healthy

Explanation:

The main function of the immune system is to keep you healthy. Protecting us is the duty of the immune system.

it's c. (to reduce the greenhouse effect/carbon gasses)

1: most common garden plants prefer loam — soils with a balance of different-sized mineral particles (approximately 40% sand, 40% silt, and 20% clay) with ample organic matter and pore space. however, some plants grow better in sandy soils, while others are well-adapted to clay soils.

2: available water capacity is the maximum amount of plant available water a soil can provide. it is an indicator of a soil's ability to retain water and make it sufficiently available for plant use. available water capacity is the water held in soil between its field capacity and permanent wilting point.

3: it is the same for all living things (plants and animals). it also includes very tiny organisms that our eyes cannot see. they are known as microorganisms, and include viruses, bacteria and fungi.