I know that B applies, and D might apply assuming it means certain materials can pass through and not all materials can pass through.
Most likely d
vote me brainliest
Answer:
The human hair color is controlled by more than one gene. In this case, hair color is a polygenic trait, which exhibits polygenic inheritance. There are individuals who inherit different combinations of alleles that are responsible for hair colors.
Explanation:
PLeAsE gIvE mE BRaNiLiEsT :) HaVe a GoOd dAy!
Asthma- A condition in which a person's airways become inflamed, narrow and swell, and produce extra mucus, which makes it difficult to breathe.
Asthma attack- Called an asthma exacerbation, the airways become swollen and inflamed. The muscles around the airways contract and the airways produce extra mucus, causing the breathing (bronchial) tubes to narrow.
During an attack, you may cough, wheeze and have trouble breathing. Symptoms of a minor asthma attack get better with prompt home treatment. A severe asthma attack that doesn't improve with home treatment can become a life-threatening emergency.
There are five areas of health related fitness. They are heart and lung endurance or cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition. Heart and lung endurance or cardiovascular endurance is the ability to exercise the entire body for long periods of time.
