Answer:
The food chain starts with the sun
Explanation: because it provides energy for everything on the planet
Large crystals indicate that it cooled very quickly. If it cooled slowly, it would have time to settle down and make a nice smooth rock.
Minerals from the topsoil leach down into the subsoil. Volcanic activity heats the rock fragments in the subsoil and releases minerals. Groundwater flows through the subsoil and deposits minerals. The bedrock below the subsoil is broken down into smaller particles.
Answer:
The shape of the enzyme determines which chemical reaction it will speed up.May strain the bonds of the substrate or put chemical groups of the active site in the correct position to speed up the reaction.
Secretions from the liver and the pancreas get mixed with food here. By the time food leaves this organ, the process of digestion is complete. We are talking about A) duodenum.