<span>Soft and cuddly, I’ll pull on your heart. But take my last name and I’ll tear you apart. What am I ??
that would be a teddy bear</span>
When volcanoes erupt, they emit a mixture of gases and particles into the air. Some of them, such as ash and sulphur dioxide, have a cooling effect, because they (or the substances they cause) reflect sunlight away from theearth
Answer:
The answer is "
"
Explanation:

In equation (a) multiply by 2 then subtract from the equation (b):

put the value of x in equation (a):
