Sweat, mucus, tears, and saliva all contain enzymes that kill pathogens.
The climate and the weather in location affect the soil. It could make the soil rocky and dry if the climate is cold and obviously dry.
Answer:
yea I know, I tell people not to click on them
Answer:
The tropical rainforest is a hot moist biome where it rains every day year month etc, There is only a small amount of sunlight and rainfall that these plants receive. They usually adapt to their home environments! :)
Explanation:
The correct answer is (b) <span>They can be directly observed.</span>
