Which process most increases the amount of phosphorus available for use in the ecosystem?
A. Weathering of rock
B. Dissolved phosphates
C. Uptake by plant roots
D. Sedimentation

Galaxy whose shape seems different follow no set pattern are classified as

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

How can you tell the difference between rough er from smooth er?