Plz help ASAP Choose all the answers that apply. The vernal equinox ___. 1. is the longest day of the year
2. happens around March 21st
3. happens during January
4. has days and nights of equal length

Who was the first scientist to measure speed as distance over time?

What happens when a rubber rod is rubbed with a piece of fur?

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation