3. what is a tree growing from the energy it receives from the sun doing? a) it is taking advantage of energy flowing from low to high. b) it is taking advantage of energy flowing high to low. c) it is in violation of the law of the second law of thermodynamics.

Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

Where do magnetic lines of force enter earth?