How much energy must be added to a 2-kg piece of aluminum with a specific
heat of 900 J/(kg°C) to increase its temperature from 10°C to 50°C?
O
A. 1,800 J
O B. 900,000 J
O C. 108,000 J
O D. 72,000 J

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.

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Me the formula cacl2 represents the compound