<span>close observation, especially of a suspected spy or criminal.</span>
Answer:
1.
an exchange of diverging or opposite views, typically a heated or angry one.
2.
a reason or set of reasons given with the aim of persuading others that an action or idea is right or wrong.
Answer: Marketing sells products to potential customers, Sales promotes products or services, and Service is a combination of interactions a seller has with the customers.
Explanation:
Answer:
B
Explanation:
We should not close the library on
Saturdays.
Answer: Ectotherms depend mainly on external heat sources, and their body temperature changes with the temperature of the environment. Animals exchange heat with their environment through radiation, conduction—sometimes aided by convection—and evaporation.