Answer:
1. They keep casts to preserve the real fossils.
2. Maybe someone would steal a fossil and sell it on the dark web?
3. They keep casts to keep the real fossils in prime condition, by that I mean like undamaged.
Answer:They have three to six valence electrons, so they can lose or gain electrons. on edgenity.
Explanation:
F • t = m • v
Momentum = mv
A covalent bond is a bond between 2 non-metals (sharing of electrons between atoms), where ionic is between a metal and a non-metal (the transfer of electrons). Standard covalent bonds are usually weaker then ionic bonds.
Covalent - Hydrogen + Chlorine = Hydrogen Chloride (HCl)
Ionic - Sodium + Chlorine = Sodium Chloride (NaCl)
Answer:
The answer is C
Explanation:
They both have the lowest and highest temperatures, plus the tundra is also known as the "frozen desert".
