4. is b
5. burning fossil fuels, coal and oil, causes carbon to go into the atmosphere.
deforestation causes more carbon in the air becuase plants absorb carbon
realeasing carbon when driving
1. im not sure
2. plants absorb carbon
Answer:
B.
Explanation:
weak acids - partially dissociate to give H+
strong acids - fully dissociate to give H+
Magnesium Hydroxide or Milk of Magnesia
Mg(OH)2
Ionic bonds.... I think ._.
Answer: Alkaloids
A class of substances known as alkaloids are used for their medicinal properties.
Explanation:
Alkaloids are small but complex organic substances with at least one nitrogen atom in its ring structure. Hence, they have strong basic properties, and are produced in naturally by some plants.
Examples of alkaloids and their medicinal properties are as follows:
- caffeine, used in certain drug and drinks to stimulate the nervous system
- morphine, used to reduce pain and induce sleep in humans.
- cocaine, nicotine etc
Answer:
C
Explanation:
the gray moths were able to hide better in the smoky air then cream colored moth and were able to stay alive.