Which of the following may display two different grain sizes?
a.
metamorphic rock
c.
igneous rock
b.
sedimentary rock
d.
magma

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

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water