As with many food safety issues, the use of pesticides is a controversial one. While there are potential dangers to pesticide use, there are many benefits as well. Which of the following are potential benefits of pesticide use?

A) Pesticides help prevent losses that would bankrupt many farmers.
B) Pesticides help ensure a cosmetically-attractive product that consumers have come to expect.
C) Pesticides sometimes create new pests because they destroy the predators that naturally keep plant-feeding insect populations in check.
D) Pesticide threat is acute, meaning that you can quickly gauge whether or not the pesticide is having a negative effect on a population.

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.