A student is investigating how substrate concentration affects the rate of an enzyme-catalyzed reaction. Which three variables should be kept constant in the setup of the student's investigation.

texas-flood watch and coastal flood barriers

california-try and look for under ground water stream

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: