How does an object's mass differ when measured on the earth and on the moon? for earth & space science

Modern whales developed their traits through natural selection what occurs during the process of natural selection

During convection, less dense fluid rises and denser fluid sinks.

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.