I just took the test, the answer is weathering.
A physical change occur when objects or substances undergo a change that does not change in which the composition of a substance changes or one or more substances combine or break up from new substances.
True! because if you have more than one variable, you aren’t going to know which variable changed the dependent variable.
It can cause a tumor which leads to cancer
When you take blood pressure, it is expressed in a fraction. The top number of that fraction is systolic pressure- the amount of pressure in your arteries during contraction of your heart muscle... I hope this helped! :)
