Answer:
A. Fulcrum is between the pull and the load
Explanation:
In the first class levers, the Fulcrum is present between the force or effort and the load. Pliers, scissors, a crow bar, a claw hammer, a see-saw and a weighing balance are the examples of first class levers in which the fulcrum exists in the center while the effort is located at one side and the load is present on the other side of the fulcrum.
Answer: alternative D.
Explanation: The animals that go through this process understand that everytime they drink the unusual-tasting liquid they will be injected, being that a very unpleasant series of events. They are conditioned, therefore, to be afraid of the unpleasantness of this process by associating pain to the actions that are part of it.
<span>As long as they receive good amounts of breast milk, they benefit from a regular protein intake of good nutritional quality that contains all the amino acids essential to health and growth<span>.</span></span>
Answer:
Four agencies play major roles in carrying out food safety regulatory activities: the Food and Drug Administration (FDA), which is part of the Department of Health and Human Services (DHHS); the Food Safety and Inspection Service (FSIS) of the US Department of Agriculture (USDA); the Environmental Protection Agency (EPA); and the National Marine Fisheries Service (NMFS) of the Department of Commerce. More than 50 interagency agreements have been developed to tie the activities of the various agencies together.
Explanation:
