Answer:
Explanation:
substances that takes part in and undergoes change during a reaction
Answer:
Deuterium
Explanation:
Deuterium is an isotope of hydrogen with one proton and one neutron in its nucleus.
Thus it has a mass number 2.
Answer:
The correct answer is option C.
Explanation:
Human subject research is an investigation or research that include human as the subject. In other words, An Investigator conducts clinical research on humans getting data through interaction and intervention of individuals.
investigator A has investigated biological specimens. These specimens are coded and linked to the identifiers. Investigator B's research using biospecimens human subject is not according to the human subject research in the federal regulations as investigator B did not get the individual identifiers.
Thus, the correct answer is option C.
The excessive deforestation on the Christmas island crab would be the reduction of population or possibly extinction.
A hurricane needs weak wind shear, high ocean temperatures, and enough centrical force to get the spinning of the system to occur. The answer is <span>A. Hurricanes need warm oceans waters to form.</span>