A seismograph recorded the first P-wave at 00:09:20. This P-wave traveled 2,200 km. What was the origin time of the earthquake?

What causes the cycle of seasons on earth? the tilt of earth’s axis the shape of earth’s orbit the direction of earth’s orbit the distance between earth and the sun

In a world that produces enough food for every human, why is the distribution of food consumption and production so unequal? in a few sentences, explain why production and consumption of food is lower in the least-development countries (ldcs).

How many countries have portuguese as a national language?