A student wants to know how different activities affect heart rate so she records the heart rate of another student after sitting for 5 minutes and takes it again after the same student runs in place for one minute.
Which is the dependent and which is the independent variable?
Column A
Column B
1
Type of exercise
a. dependent variable
2.
Heart rate
b. independent variable

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world

What does the number 18.9984 represent in the image?