Carbon dioxide concentrations in soil are higher than in the atmosphere because of respiration of the plants, their roots. Also, CO2 is inhigherr concentration because of the decomposition of organic matter. Decomposition of organic matter produce more CO2 because of increased microbial activity. CO2 concentrations can change as a result of temperature change or different soil structure. Composition of air in soil and atmosphere of CO2 is
<span>Soil Air: 0.25% Atmosphere: 0.04%.</span>
Answer:
The cell walls observed by Hooke gave no indication of the nucleus and other organelles found in most living cells. The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria.
Explanation:
Answer:
Plants typically compete for resources like nutrients, light, water, space, pollinators, etc.
Alopecia areata is an autoimmune disorder that attacks the hair follicles, causing well-defined bald areas on the scalp or elsewhere on the body. It is a disorder that usually starts during childhood. It happens because the immune system would mistakenly attack the hair follicles where growth of hair starts. This condition is common for people younger than 20 years of age. It typically starts when group of hair would fall out resulting to areas of the scalp to be bald. Also, hair would appear thinner and weak that they would break easily. This condition could happen if you have a history of this in the family, have this at a you age, has other autoimmune disorder and prone to allergies.
