The variable that the experimenter will deliberately change or manipulate in 1 point the investigation is the...
O Dependent variable
Constant
Independent variable
Control variable

The zone, which exists from a depth of 0 to 600 feet, is home to the majority of ocean life.

What is the problem in this article? what solution does the article propose?

50 points! which of the following is an inference? a burning candle is extinguished when it is covered with a jar. the candle burns longer than expected in a jar that has a plant in it. a plant lives longer than expected in a jar that has a burning candle. there is more oxygen in the jar because there is a plant in it.