An experiment wants to see if temperature will change the reaction rate for a chemical reaction. the same size and brand antacid tablet is dropped into exactly 100ml of ice water, room temperature water and hot water. the time it takes for the antacid tablet to completely dissolve is recorded.

what were the control variables in this experiment and what is the independent variable?

Iwanna go do something with my ideas? ?

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.