<span>However, these advancements that other people are talking about will not probably last for very long since much resources were used to exploit and overuse the natural resources we currently have. The question of what about the future populace who are significantly viable to live under this planet, 100 years from now? Isn't that claim sort of egotistical?
Exploitations lead to different global ecological changes like the occupation of the invasive species which can threaten an ecosystem and the biodiversity of the organism that exist in the present environment when the invasive species increase rapidly in number.
</span><span>Exotic species are a threat to biodiversity because they alter the ecosystem of that area. They share food and habitat resulting in unbalanced ecosystem. </span>
Answer:
The sun is classified as a star.
Explanation:
The sun is a star at the center of the solar system.
The sun is important in the following ways:
- The sun's light has to be present for photosynthesis to occur thereby, it enables food production by plants.
- The sun lights up the earth through its light rays.
- It warms up the sea.
- It provides heat for heating up the earth leading to production of water vapor that rises to form clouds.
- The sun also provides vitamin D that is essential to living organisms health.
10
In one molecule of N2H4 (Hydrazine), there are two nitrogen atoms.
So, to find how many there are in five molecules, multiply by five.
2 x 5 = 10
