D Question 4
3 pts
What happened to the mice that were raised microbe-free?
O their organs were mal-developed
The mice were more healthy with outstanding organ performance
the mice were just fine
O their hair turned white

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

The diagram illustrates the activity of vesicles during a cellular process.

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?