Answer:
A physical change effects a substance physically. Examples include cutting, bending, dissolving, freezing, boiling, and melting.
A chemical change effects a substance chemically. Examples include burning, rusting, and digesting.
Hope this helps.
well power is equal to work multiplied by time so .. 900j divided by 15 s will give you 60 Watt as your answer
<span>Up to three doses of sublingual nitroglycerin. Nitroglycerin can be taken 3 times a day for a patient with such a condition. This pharmaceutical medicine has a place with a class of medications known as nitrates. This medicine works well on Angina/congestive heart failure happens when the heart muscle isn't getting enough blood</span>
