The right answer is C. I think, a. and d. are obviously not serious. B is not true, because Ag and Au are in the same group in the periodic table and therefore have the same number of electrons in the last level. So, they form ions with the same charge. C is true beacause Ag and Au have different numbers in the periodic table and different amount of protons and neutrons in their nucleuses.
The answer is A I believe
Answer:
Earth is between the sun and the moon
Explanation:
A lunar eclipse occurs when the Earth is between the Sun and the moon , blocking the sunlight from reaching the moon.
Cell membrane is like doors and windows!!
if you know how; comment !
Only toms idea could be scientific since it is testable, can be tested by others, have a hypothesis, and be proven
