What does the immune system do to foreign invaders

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Long term exposure to waves can cause sunburns and skin cancer.