Which of the following is an example of a scientific inference?
a. the insect probably released a sticky liquid because it is upset and trying to defend itself.
b. the butterfly has bright colors that make it easy for me to see when it lands on a plant.
c. the ants live in colonies and they follow trails to find possible food sources.
d. the bee stung me on the arm after i waved my hands trying to scare it away.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters