Better farming techniques and machines increased the food supply and the distribution of food. Having read the above passage, choose the right answer to the following question (choices are decreased or increased ): Jonah's family was barely getting any food when they plowed the field by hand, but when they got less machines to help, the food supply decreased or increased?
decreased

(Question)
By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher. Having read the above passage, choose the right answer to the following question (choices are higher or lower ): Ray was traveling in rocket leaving orbit. He keeps the empty fuel containers on board so the ship can fly higher or lower?
(Answer)
lower

Ques: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH. Having read the above passage, choose the right answer to the following question (choices are more acidic or less acidic ): Would Jim's solution become more or less acidic if he increased the concentration of hydrogen atoms in it more acidic or less acidic?
Ans: more acidic

(Q).
A wave caused by a disturbance with more energy has greater amplitude. Having read the above passage, choose the right answer to the following question (choices are small or large ): A tsunami created by a lot of rocks will create what size wave small or large?
(A).
large

Ques:Larger alkenes have lower boiling and melting points. Having read the above passage, choose the right answer to the following question (choices are lower or higher ): While in the lab, Sharon and Joe were testing alkenes; Sharon's alkenes were much smaller than Joe's. The melting point of Sharon's alkenes will be lower or higher than Joe's?

Ans:higher

Ques: Gluons make quarks attract each other more strongly the farther apart the quarks get. Having read the above passage, choose the right answer to the following question (choices are weaker or stronger ): When there are high levels of gluons in quarks it becomes weaker or stronger?
Ans:
stronger