18. Which tool is NOT used in weather stations to collect weather-related data on the ground? O A. hygrometer to measure humidity

B. barometer to measure air pressure

(C. anemometer to measure wind speed

O D. seismometer to measure ground movement

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.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

When are the centromeres broken in meiosis?