B is the answer. I repeat B is the answer.
Answer:
The immune system is made up of a network of cells, tissues, and organs that work together to protect the body.
Explanation:
1- the grass dies due to lack of food, from lack of photosynthesis from lack of sunlight
2- you danger the enviroment
Pretty sure the correct answer is D
global warming is a increase in earths overall temperture caused increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
to prevent global warming we could:
Drive less, Recycle more, Use less hot water, Plant a tree, Turn off electronic devices when not being used such as a T.V
all of these ideas save pounds of carbon dixoide and if you look above it is listed as a cause of global warming
