The ratio of 14c to 12c in living organisms is 1.3 * 10-12. the fossilized remains of an organism are discovered and the ratio of 14c to 12c in the fossil is measured to be 2.4 * 10-13. how long ago, in years was the organism alive?

How does capillary action relate to cohesion and adhesion

How can a large river also be a tributary?

When a student is obseving a cell on a microscope slide and notices cell walls and membrane bound organelles. What can the student conclude about the cells

Henry the doctor is trying to administer an antidote to his patient. the antidote needs to pass through the membrane of his patient's cell walls. he has 4 versions of the antidote.

What happens a few days after fertilization (apex)

Which of these is an example of an endoparasitic relationship? O A. A tapeworm living in an animal's intestine O B. A rabbit eating lettuce in a farmer's garden O C. A tick living in an animal's fur coat O D. A snake eating a mouse in a cornfield

Why is the presence of organic material in the soil important? A) It wards away plant eating organisms. B) It increases plant growth. C) It increases sunlight absorption. D) It increases water absorption.

Which derived characteristic is shared by at least four organisms? Large brain Lungs Mammary glands Placenta

Question 2 For an object to remain at rest, which of the following must be true? A. The forces on it are balanced B. There is no friction C. Gravity doesn't act on it D. The object has no mass

Identify another invertebrate chordate other than hagfish.