Is this true or false. in a boreal forest biome, many trees shed their leaves and grow new ones each year

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Can someone me with 3 and 4 plz. this is for masteries test.