two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate?

a) produce x‒rays using colliding electrons and send them to radios, which capture sound.

b) send messages using infrared radiations, which travel in the form of waves.

c) send radio waves through intervening media like radio and television.

d) produce sound waves using microwaves from heated objects.

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false