Explain 2 of following ? keep, moat, portcullis or a turret

Which of the following was the center source of energy during the industrial a revolution

Plz , ive been stuck on this forever. what action did president jefferson take to stop britain and france from seizing american merchant ships. a. he declared war on france. b. he called for increased tariffs on british and french goods. c. he called for embargo on all foreign trade. d. he declared war on britain.

Afeature that an organism __ and reproduce in its environment is called a