Weather satellites help show where the warm fronts and cold fronts are plus weather what counts are in the air! This helps them know it’s it’s going to rain snow or be sunny
Bones are made up of Calcium Phosphate given by the chemical formula, 
. When bones are kept in Hydrochloric acid, given by the chemical formula, HCl, they become soft because the calcium compound present in the bones changes its form. The following double displacement reaction takes place when the bones are kept in HCl,
---> 
Calcium chloride is water soluble, and gets washed away. This makes the bone thin and soft.
The answer is A. Excretion I hope this helps
Because they have so many children at once.
