Energy from the sun comes from fusion. what happens during that reaction? question 28 options: a. hydrogen turns into helium. b. helium turns into hydrogen. c. oxygen turns into carbon dioxide. d. carbon dioxide turns into oxygen

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

Isolated volcanic peaks on the ocean floor are

Using meiosis, the sporophyte produces spores that are .