Which of the following is an example of how biogeochemical cycles are important to sustaining life? Choose 1

(A) Nitrogen waste from an organism is converted into usable nutrients for others.

(B) New carbon atoms are created during the carbon cycle.

(C) The atoms in water molecules are destroyed during a drought.

(D) Oxygen atoms are converted into carbon atoms during respiration.

(Help !!!):

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.