Answer: Option (1)
Explanation:
The extinction event played an important role in the creation of new diverse life forms on earth. After an extinction event, both globally and locally, more than 75% of animal species gets vanish and the only those highly resistant life supporting organisms survive and with due course of time, they undergoes evolution, thereby bringing changes to the existing life forms. This is how they initiates and helps in the increasing species diversity.
Thus, the correct answer is option (1).
Answer is Nitrogen, atomic number 7
The atomic number of nitrogen is 7. Hence, the number of electrons in the nitrogen atom is 7. In the nitrogen, valance electrons are 3 in number in 2P orbital. Its valency is 3. Therefore, it can make three bonds with other elements which is highest among the given options.
Africa is the only place where giraffes live in the wild
Answer:
<em>The correct option is A) solar energy</em>
Explanation:
Solar energy can be described as the energy which comes from the Sun. This energy drives many chemical reactions such as the reactions of photosynthesis and for generating electricity.
The solar energy is thought to meet the potential of all energy required in the future. The solar energy is the reason for all the climatic conditions which arise in a particular area.
Answer:
The cells are square
Explanation:
because they look more on the outside and I would expect them to be smaller
Make sure this is my opinion, I hope it is true
