Answer:
Galena
Explanation:
Galena usually occurs in cubic crystals. If you hit a specimen of galena with a hammer it will shatter into small perfect cubic crystals. It has a metallic luster and a black to dark gray color and streak. Galena has a hardness of about 2.5 on the Mohs hardness scale which is about as hard as your fingernail.
Just walk out and if you end up getting in trouble tell them you really needed to go and couldn't wait anymore.
<span>FALSE: Pollution that impacts the environment where an individual lives will impact that person's health in numerous ways. For example it could destroy the food chain they rely upon if it damages or kills crops or livestock. Furthermore, it could be the cause of poisoning if it is toxic and somehow ingested.</span>
1.B without regular cardio workouts, you will have a very hard time breathing
2.B all of those CAN give accurate info, but gov. studies are best due to the amount of people they question
3.C the AHA does reliable experiments that proves helpful
4.D gov wellness sites usually give old or washed down advice
5.B if your muscles aren't used to physical activity, they will respond a bit more "aggressively" for lack of a better word
