Group 7A, the Halogens contain metalloids such as Astatine.
The answer would be B so people could get immune to malaria and not have the sickle cell blood disorder
Answer: High Frequency waves by method of compression bone conduction
Explanation: in this, vibration of the bones of the skull and sometimes, arguably soft tissues leads to the production of sounds. The outer and middle ear is bypassed in this method of sound production. Sound reaches the inner ear directly and its a process largely involved in designing hearing aids.
A is your answer.
Water containing no salt is known as isotonic solution
Answer:
erosion
Explanation:
rain moving soil is the earths crust slipping, also known as erosion