Answer:
Expl A. Microorganisms that live in the soil or on plant roots
B. Water from rain or melted snow
Explanation: Soil is the base for plants to grow. A soil is termed as healthy soil which contains all the biotic and abiotic factors that are essential for the plant growth.
Biotic factors : Biotic factors include all the necessary living organisms that promote plant growth. Biotic factor mainly include bacteria , fungi , protozoa , algae etc.
Microorganisms made Symbiotic relationship with plant. They provide plant essential nutrients and plant provide them shelter.
Abiotic factors : Abiotic factors include non living factors such as air , water , sun light etc.
Water is most important abiotic factor for healthy soil. Water helps plant to transport essential nutrients present in soil through the plant. Water also gives plant stability in the soil.
Melted snow can also be used in place of water.anation:
Hormones are chemicals made in the soil that affect parts of plants. The statement is false.
<h3>How are gibberellins able to affect other parts of the plant?</h3>
Gibberellins stimulate the growth of shoots which increase the biomass and vegetative growth of plants. If vegetative growth increases, the root biomass is also increases.
So we can conclude that other parts of the plant are also affected due to gibberellin because it stimulates the growth of shoots which is the upper portion of the plant.
Learn more about hormones here:
brainly.com/question/4678959
#SPJ1
Answer:the virus seems to keep changing and adapting
Explanation:
For example they have found that it now attacks your kidneys heavily causing failure when in the beginning it did not