What is one major disadvantage in using the pyramid of biomass

Two critical interventions to turn around the opioid crises are:

When plants use sunlight to make food, the energy of sunlight is

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity