That it is negatively charged
Answer:
im pretty sure its b. sand and iron
ik that magnetism easily separates iron
Answer:
Physical science is concerned with the study of natural, non living objects and life science is about living things.
Explanation:
I had fun answering this question.
Depending on the testing process being used, it may affect the object by making it shape differently, scratch, it or sometimes do absolutely nothing. hope this helps:)
From start:
Joule, J, calorie,
Example 1: 120 J / 4.184 = 28.68 cal
Example 2: 1200 cal * 4.184 = 5020.8 J
