B. By mutating their DNA in response to environmental conditions to gain beneficial traits.
Convection currents in magma drive plate tectonics. The answer is true.
Answer: b
Explanation: you have to use both math and science in engineering
the characteristics applies to all three domains and viruses by the genetic material.
Answer:
Pacemaker cells are located in the <u>sinoatrial node.</u>
Contractile cells are located in the <u>Heart</u>
Explanation: