A person walking, a thrown baseball, a crumb falling from a table
I would have to say the answer is C.
A is incorrect since hydrogen is not an air pollutant.
B is incorrect because ozone is most definitely one of the top.
And D has cyanide which is a chemical for suicide during wars.
Hope this helps!
ment, social development, and the five senses. In each cell of the table, list an appropriate skill or learning that takes place during that month. Then, design a toy that would help the baby learn a critical skill for each of the twelve months. Describe what the toy looks like (for example, size, colors, if it makes sounds) and why you designed it the way you did.
Your brain becomes more sensitive
Though she still goes through a cycle of sleeping and waking, her condition is unlikely to change."
