What conditions would be predicted based on the information in the weather map? a) the advancing mass of cold air creates a low pressure area. b) the cold front advances without bringing any change in the weather. c) the high pressure causes cold air to move toward the low pressure areas. d) the cold front advances from an area of high temperature to an area of low pressure.

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences