Answer: D
Explanation:Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system). Also referred to as heat energy or thermal energy. Heat is typically measured in Btu, calories or joules
a control helps to increase the reliability of the results. it allows a scientist to compare it to other group(s) in an experiment. if a scientist notices a significant different btwn the control and the other groups, he can logically conclude that the independent variable has an impact on the dependent variable.
a variable is any factor, trait or condition that can exist in differing amounts or types. there are usually three tpes of variables in experiments: the independent, dependent and contolled. the independent variable variable is the one that is changed by the scientists to figure it's affect on something.
Answer:
1-pharynx-back of throat
2-vein-transport of carbon dioxide in blood
3-artery-transport of oxygenated blood
4-pulmonary-lungs
5-larynx-voice box
6-esophagus-passageway for food
7-bronchus-branch from trachea
8-trachea-windpipe
9-diaphragm-lower chest muscle
Explanation:
definitions
Answer to question four is B
This is true. DNA ligase catalyzes phosphodiester bonds. Which occur between the sugar molecules in polynucleotides. Nucleotides are the monomer to DNA, which contain a ribose sugar.. making DNA ligase able to join pieces of DNA together.
