A sound at 50 dB exerts a pressure that is how many times greater than a sound at 30 dB

a).10

b).100

c).1000

d).10,000

How does music affect plant growth? To answer this question, Dr. Anderson set up an experimental chamber and exposed a group of 15 bean plants to the same 60-minute rock CD twice a day, at 9:00 A. M. and 9:00 P. M.

Which statement is not true? a) Fish, birds, reptiles, amphibians, and mammals are all members of the Subphylum Vertebrata. b) Reptiles, birds, and some mammals produce amniote eggs. c) Reptiles are better adapted for life on land than amphibians.

Tammy and maureen enjoy a glass of wine with dinner. after the meal, each woman has a cigarette with a cup of coffee. how many psychoactive drugs did the women consume?

Which of the following contain the genetic code? carbohydrates lipids nucleic acids proteins

What's an advantage and disadvantage for using natural gas

Based on the Punnett square, what is the probability that the offspring will have freckles?

Use interphase in a sentance

The exchange of energy from organism to organism is called what?

Water can be returned to the atmosphere by a process know as what?

What is the root cause of heat stroke?