Pyroclasts. It contains ash and gases such as sulfur dioxide which is acidic
C
The definition of geologists is someone who studies the EARTH and its structure, how it's made etc.
The moon is not part of the earth so it is c.
Answer:
The kidneys can adjust the concentration of the urine to reflect the body’s water needs, conserving water if the body is dehydrated or making urine more dilute to expel excess water when necessary. ADH is a hormone that helps the body to retain water by increasing water reabsorption by the kidneys.
Cells are the smallest objects biologists study