A water reservoir has the shape of a right circular cone with its circular base of radius m at ground level (m). Rain fills the reservoir over the winter; when full, the reservoir depth is m. In summer, water from the reservoir is pumped up to ground level for drinking, irrigation, etc. At the end of the summer, the volume of water left in the reservoir is only of its full capacity

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Asoccer team has played 25 games and has won 60% of the games it has played. what is the minimum number of additional games the team must win in order to finish the season winning 80% of the games it has played?