Why does an increase in altitude cause a change in temperature

Idon't know hope someone you

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.

The nationalists army held a higher advantage because of the ammount of men in the army. outnumbered them up to 3 over 1.

The chlorine is the chemical property