An energy pyramid shows the amount of (blank) available at each feeding level in an ecosystem. What's in the blank?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

What kinds of foods are high in lipids?