Pores are small holes in the nuclear envelope

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.