Which type of air mass is likely to bring warm, dry air? a. continental polar b. maritime polar c. continental tropical d. maritime tropical

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains