Covalent bond is when two atoms share one or more pairs of electrons, an example of this could be H20 or C02.
ionic bonds are when one or more electrons from am atom are removed and attached to another, which can result in positive or negative ions which attract each other, an example of this could be table salt.
Answer:
This is a map of a Mountain landform because the rings get smaller until the top of the mountain. Also the altitude goes up until it reaches the top.
Explanation:
Answer: It just does.
Explanation: Over time the transfer of energy changes over time because of different things.
The hormone calcitonin, which is produced by the parafollicular or C cells of the thyroid, has the opposite effect on blood calcium levels as does PTH. I hope this helps! : )
Answer:
Dioecious and monoecious plants actually have something in common, in that they both bear unisexual flowers. This means that each bloom has only male or female reproductive parts. With dioecious plants, the male and female blossoms appear on separate plants. With monoecious plants, each plant has both male and female flowers.
Explanation:
