Answer:
The ice record shows a period in Earth's history when there was an ice age and the global average temperature was
much colder. During this time, the ice record shows the amount of carbon dioxide in the atmosphere decreased, but the
amount of energy from the sun did not change. How did the the total amount of energy in the Earth system change, how
did this change happen, and how did it contribute to the ice age?
When water particles are heated to their boiling point, they begin to change form into a gas.
Answer:
Simple sugars are a type of carbohydrate.
Explanation:
Carbohydrates are one of the three basic macronutrients — the other two being protein and fat. Simple sugars are found naturally in fruits and milk, or they can be produced commercially and added to foods to sweeten, prevent spoilage, or improve structure and texture.
Answer:
hope you like it
Explanation:
because ouytermost shell contains two electrons
calcium is in group 2 so its valency is two valency is the number of outer shelll electrons it needs to have an stable outer shell . it needs 2 more .