1 In order to keep up with the food demands of an increasing human population, farmers use fertilizers and other agricultural
technologies to grow and harvest more food. How do fertilizers negatively impact

the environment?
OA. The rate of nutrient depletion increases in soil that has been fertilized.
OB. Run-off from fertilized land increases nitrogen levels in ecosystems and encourages algal growth.
OC. Fertilizers are difficult to apply and require heavy machinery which damage land.
OD. Fertilizers allow crops to grow bigger and faster, so they can feed more people.

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos

What are ways that ordinary people can to keep antibiotic resistance from getting worse?