Assume the space shuttle's main engines produce 764,576 newtons of thrust, and the shuttle has a mass of 78,018 kg. why does the shuttle need the two solid rocket boosters (in addition to the main engines)?

An enzyme lowers the energy of activation. what does that mean?

Select the correct answer.which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers.b.anna publishes the results of her experiment on the growth rate of saplings.c.jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated