Answer:
Answer is in Explanation
Explanation:
You see Ammonites lived during the Devonian Period up until the Cretaceous Period.
However, during the Devonian Period Earth was entirely covered with water, as the first ammonites died the first big extinction the Ordovician-Silurian Extinction occurred and during that time up until the end of the Cretaceous Period or better known as the Cretaceous-Tertiary extinction occurred.
Then came the ice age which froze up a ton of Earth water.
Answer: tropical grasslands
Explanation: i took the test :)
The city of Los Angeles released 96 million "shade balls" into the Los Angeles Reservoir. These will serve to shield the water from the sun's heat in order to reduce evaporation and prevent algal and bacterial growth so no toxic substances are produced in the water. The balls reduce evaporation by 85%-90% so will save a lot of water yearly.