WILL MARK BRAIINLIEST PLZ HELP ASAP
Balance the chemical equations below:

1) ___ n2 +___ h2>___nh3
2)___ klclo3 ->___kcl + __ o2
3)___ nacl +___ f2--->___ naF +___cl2

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 radiation, 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

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

What is the standard unit of measure for acceleration?