Explain how convection currents appear in the asthenosphere

Aschool principal ordered 1,000 pencils. he gave an equal number to each of 7 teachers untill had given out as many as possibe. how many pencils were left?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which of the following mountain ranges is home to the largest mountain peak in europe? a. the carpathian mountains b. the caucasus mountains c. the balkan mountains d. the ural mountains select the best answer from the choices provided a b c d