Which item creates more than 50 decibels of sound?

What is the difference between a scientific hypotheses and a scientific theory?

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

Which one is an advantage of external fertilization a. the offspring are genetically identical to the parents b. more eggs can be fertilzed at one time c. more sperm can be released at one time d. more protection is available for developing plz