What is a meander? select all that apply.

a. a curve in a river
b. a feature formed by erosion
c. a form of underground water
d. a threat to freshwater supplies

and a is not the answer

The answer is B. The definition says it is a curve in the river, yes, but the curve is formed by the erosion of the banks

I hope this helps!

WHELP you've obviously marked A off of the list so its b  and no im not being funnt it's actually B a meander has nothing to do with under groundwater or fresh water supplies,

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.