Answer:
Explanation:
Two different elements have similar chemical properties when they have the same number of valence electrons in their outermost energy level. Elements in the same column of the Periodic Table have similar chemical properties.
Answer:
B
Explanation: Couse is is herit trait
Answer:
Hyoid bone
Explanation:
It is a bone responsible for tongue movement.
Fire is an example of energy changing one form to another. It is used as thermal energy (for heating and warmth) and for burning energy.
The other options don't really have any energy.
The first answer is D. The padded webbing on their feet works much like a flipper would and helps them to move faster, by allowing them to move more water.
The second is B. Like pine trees most desert plants have spines so that they can retain as much water as possible.
The third is A. Not only are they sharp, but the way in which the jagged edges on their teeth lines up allows them to interlock to keep their prey from getting away.