Answer:
hey mate here is your answer
The things that birds have attached to their bodies called their wings, a left one and a right one, cause them to have the ability to fly.
Answer:
There is a smaller chance of mutation.
Explanation:
Answer:
a glass of muddy water
Explanation:
Pure substances contain only one element or compound.
Calcium is one element so it is a pure substance. Ice and water have the same molecular structure, so it is a pure substance. Aluminum oxide is a chemically pure compound.
The only example that is not a pure substance is muddy water due to the multiple components of mud mixing with the components of water.
Hope that helps.