About how many weeks should i change my guinea pig's bedding every day

Which best explains why england had the highest standard of living in the world in 1990? a.england started industrializing before the rest of the world b.england had the highest population in the world. c.england hadthe most fertile soil in the world. dengland had more natural resources.

Crisis in rivalries between the serbs, croatians and muslims has been going on for centuries and only intensified during the 1990s when non-communist rulers were elected

How many structures do prokaryotic cells have in common with the eukaryotic cells? a. 2b. 3c. 4d. 5