A place where 2 geologic units meet is called contact .
Explanation:
A prominent difference between active and passive immunity is that active immunity is developed due to the production of antibodies in one's own body, while passive immunity is developed by antibodies that are produced outside and then introduced into the body.
Answer:
Heated water from the industries can treated before discharging directly to the water bodies.
Explanation:
please mark brainliest
Kingdom, phylum, class, order, family, genus, and species is the classification chart levels in order from most broad to least.
The purpose of the Open Door Policy was to collaborate with other nations to maintain a common price level for free trade in China. The Open Door policy started in 1899. The correct answer is B.