Fossils provide a window in Earth's history by showing us how they existed in the past. They can be dated through several ways and can show us how animals and plants have evolved over millions of years. Also, fossils can help us better understand ancient disasters by the inclusion of elements (such as <span>volcanic ash or dust from major space object impacts) and how they affected the life on earth)</span>
Inner core: Iron and nickel
Outer core: Molten iron and nickel
Mantle: Magnesium and iron
Crust: Silicon, magnesium, iron, aluminium, oxygen, etc.
Answer:
2 mol/L
Explanation:
Molarity is Moles/Liters, you just simple divide 5 moles ÷ 2.5 L =2 mol/L
Neutrons are the other particles found in the nucleus. Neutrons are neither positively charged nor negatively charged. They are neutral.
500 because F1 is 500 x 1. Tell me if I’m right. Good luck!
