What is the major function of valves in human veins

All of the living things on earth along with all of the places where life exists is known as

Critical thinking. consider two samples of water:lake michigan and a cup of boiling water. Which has a higher average kinetic energy? which has a higher total kinetic energy?

The four-field system allows for question 46 options: a. unprecedented population growth. b. minimal land left fallow. c. replaced soil nutrients. d. provided food for animals.

How long does it take the lytic cycle usually take?

What produces egg and sperm cells during the life cycle of a plant?

Which structure in the neuron transmits information to another neuron? a. cell body b. dendrite c. axon d. terminal branches?

Why does it matter if Osmosis is put into a "scab" or a "nosebleed?" Where would that leave him?

Why are green algae similar to green plants? A. They can have more than one nucleus in each cell. B. They have chloroplasts and store food as carbohydrates. C. They reproduce by spores. D. They both have peptiglycan in their cell walls.

Why rapid binge drinking is more dangerous than slower consumption of alcohol?

Is a blue whale, rosebush, mushroom, algea, or pine tree a heterotroph or auto troph