Answer:
A tear in right rib muscles has caused the muscles to spasm it would prevent inspiration.
Reason:
As it is cleared that during inspiration, the intercostal muscles contract, the ribs move upward. the diaphragm flattens and move downward. As a result the chest cavity become open and air move into it. However if the muscles of rib tears then rib will not raise. As a result there will be difficulty in inspiration/
The answer is B because the independent variable would be the hours of music playing and the dependent, which means the effect of the independent variable, would be weight or mass of the fish. In his observation he sees that the fish grow larger so that would be your dependent variable.<span />
Answer:
This mutation will produce an enzyme with modified hydrogenase activity
Explanation:
The allosteric site is critical to switch on/off the enzyme activity. The enzymes with allosteric activity are regulated by binding an effector molecule in a different site to the active site of the enzyme.
Answer;
-Birth defects
Explanation;
In animals, long-term exposure to DDT can cause death or severe birth defects.
-DDT stands for dichloro-diphenyl-trichloro-ethane. It is an insecticide/pesticide previously used on crops. DDT has an adverse impact on many organisms such as crayfish, fish, shrimp, and other animals such as mammals.
DDT is slightly to moderately acutely toxic to mammals, including people, if eaten.Animals given potentially fatal doses of DDT develop liver lesions and those given DDT over a long period of time develop liver changes. In these animal populations DDT may cause birth and reproductive defects.
