Mt. Kilauea's ash cloud was tracked to be moving from east to west towards California state at a rate of 40 km/hr. California is 3970 km away from Hawaii. Using the distance formula, how many hours will it take the ash cloud to reach California from Hawaii? (Distance = Rate x Time)

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?