Increase in kinetic energy as well as energy loss to the surroundings in the form of heat ( negligible)
Answer:
Organisms compete for the resources they need to which are survive- air, water, food, and space.
The one abt respiration the answer is the first one and circulatory system is the last one that says “delivery molecules …”
Answer:
Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.
Explanation:
An ion is an element that bears only one electric charge, either positive or negative. An isotope is an element with the same number of protons but a different number of neutrons. An electron is a negatively charged subatomic particle. A dipole fits the characteristics. Hence, the answer is B.