Answer:
Masks are a simple barrier to help prevent your respiratory droplets from reaching others. Studies show that masks reduce the spray of droplets when worn over the nose and mouth.
Explanation:
D. Lymph nodes are the filtering points throughout the body... found in the lymphatic system
Answer:
The majority of mutations are neutral in their effects on the organisms in which they occur. Beneficial mutations may become more common through natural selection. Harmful mutations may cause genetic disorders or cancer.
Explanation:
Answer:
In the great barrier reef
Explanation:
It has effected plants and sea creature populations because of their homes being destroyed