Briefly explain why maintaining a healthy weight is important in cardiovascular system care.

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?