Choose all the answers that apply.

check all the statements that are correct.

a. an independent variable is the variable which is changed.

b. the dependent variable is the variable which is observed as a result of the change.

c. disproving a hypothesis means it cannot be tested again.

d. experiments are usually published to communicate findings to the scientific community.

e. if data can be repeated, it cannot be trusted.

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!