Given the amount of work required to move a box 15 meters across the floor is 75J. What is the force that is needed? 5 N 25 N 30 N 2 N SUBMIT ANSWER ASK FOR HELPTURN IT IN © 2014 Glynlyon, Inc. All rights reserved. TERMS OF USE

Which are forms of nitrogen that are usable by humans

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?