To put it simply, ionic bonds form when one atom transfers an electron to another atom. The atom that gains an electron becomes a negative ion while the atom that loses an electron becomes a positive ion. Covalent bonds form when two atoms share electrons. A hydrogen bond is when you have a negatively charged O, N, or F atom in one molecule, a positively charged H atom latched on to an O, N or F atom in another molecule. An example of a hydrogen bond is water.
3) is active transport because active transport requires energy.
Answer:
It is a compound sentence.
Explanation:
Compound sentence contains two independent clauses.
Answer:
Half of the Moon's surface is always illuminated by direct sunlight, except during lunar eclipses when Earth casts its shadow on the Moon. Just how much of that light we can see from Earth varies every day, and we refer to this as a Moon phase.
Orbits: Earth
Explanation:
They do, but very slowly. Mostly when growing or wind is hitting it.
