D it allows all substances to enter & exit the cell.
Basic charged atomic particles are electrons (negatively charged) and protons (positively charged). It is a particle on an atomic scale that is charged
Kingdom because there are 3 kingdoms - Eukarea, Prokarya and Archaea
Biomass might literally mean a biological mass, but it actually denotes sources that are burned to produce energy. Biomass is considered a renewable energy source. The primary one that has been used for thousands of years is wood; it is still widespread in many primitive areas and it is burned in old and new burners. Biofuels like ethanol from crops is another important source that has been on a rise. They are cheap and they are used a lot in developing countries. Finally, the burning of municipal waste is another source and many Nordic countries use it to produce energy and even some import waste to use as fuel.
Answer:
Most traits are determined by more than one gene. For example, skin color and height are determined by many genes. Some phenotypes however, are determined by a single gene.
