Which of the following ways of releasing carbon back into the atmosphere only began happening in large amounts very recently in Earth's history?
A. Decomposition
B. Combustion
C. Photosynthesis
D. Respiration

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation