In AQRS, the measure of ZS=90°, the measure of ZQ=20°, and QR = 2 feet. Find the length of SQ to the nearest tenth of a foot.
R
2
20°
S

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

What causes the cyclical changes in the appearance of the moon?

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?