Explain what happens to the particles in a substance during a physical change?

Explanation:

Sample Response: When a physical change occurs, the arrangement of particles within the substance may change, but the atoms in the molecules remain bonded together.

preservation because he preserves part of the land and preserves means save

explanation:

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg