How are isotopes and half life related?Answer quickly p. s. it's science it wont let me show it, but its science.

Afixed resistor has the following color bands: orange, red, brown, gold. what is the rated resistance

The way individuals think, believe, and behave defines their: a. intellectual wellness b. personality c. self-esteem d. self-actualization

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.