I think its true because oxygen makes up about one-fifth of the Earth's atmosphere. Nearly 90 percent of the weight of the oceans is due to oxygen. In addition, oxygen is thought to be the third most abundant element in the universe and in the solar system
Answer:
C
Explanation:
This is what is referred to as peer-reviewing. To gain veracity for her results, the fellow scientist replicates the experiment under the same parameters that she did and determines if the same results are achieved, If so, the results and experiment gain veracity and can be quoted on other scientific journals. For the experiment to be replicated, it needs to be clearly defined in the report, a requirement for all scientific reports.
Earth changes all the time, making it a <u>dynamic </u>planet.
Answer:
Negatively.
Explanation:
A decrease in biodiversity can cause a large chain reaction within the ecosystem. A loss of species can be detrimental, especially if they're key stone species. This negative impact can cause the food chain to be disrupted which ends up affecting every organism within the environment. Every organism plays a role within the ecosystem and when one or more are removed it causes extreme disarray.
