The ozone layer in earth's atmosphere absorbs ultraviolet radiations. which of these is the best location to place a telescope used to observe ultraviolet radiations from stars?

mountain

high-flying aircraft

top of building

space

When studying the calumet region of illinois and indiana alfred meyers noted four stages of development as new groups occupied this land in stage 2 farmers used the land primarily to grow food for their familes and their small communities

The larges lakes in the world are found in: asia europe north america south america

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic