Me. don't just answer for points. give me the right answer which of the the following will lead to a thunderstorm? a. dry and stable air, and a way for the surface air to rise. b. moisture, unstable air, and a way for the surface air to rise. c. moisture, unstable air, and low cloud cover d. moisture, motionless air, and a cold front

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring