Answer:
Gold and copper are example of alloy
Explanation:
Measuring the ratio of C-14 to C-12 in the remains of dead organisms to determine how much time has passed since the organism died
the answer is D
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart
Answer:
b.fission, because the reaction absorbed energy
Explanation:
Answer:
The correct answer is A defective gene is replaced with a normal gene.
Explanation:
Gene therapy is an alternative therapy for the treatment of some diseases.
Although this therapy is still in development, and carries many risks, it is expected to have very good results in the coming years.
In such therapy the following happens:
- a defective gene is replaced with a normal gene.
- the introduced gene matches the defective one or produces a beneficial protein.
- faulty genes are disabled.
Given this information we can say that the correct answer is A defective gene is replaced with a normal gene