All organisms need energy to function. which organelle converts energy to a usable form? a. chloroplast b. mitochondria c. vesicle d. ribosomes

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?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

How many types of rock can form from the rock cycle