To separate a mixture of salt and water, you can try first by using filter paper hen with the extra water part set it out to the window so that the salt water evaporates and only the salt is remaining.
X-ray)
because Electromagnetic waves are in act
Question 4 is true, question 5 is B.
Answer:
answer is a pedigree chart :)
Explanation:
An impulsive force is a force that is acting only during a short time, I mean, for an instant. Impulse is a physics magnitude define by the product of the impulsive force and the time that it was acting.
Is there any mistake in my English? Please, let me know.
