Genetic variation occurs.
Mutations are not copied over and over again.
Answer:
The reason why stars are so important is because they have helped humans navigate through Earth . When it was dark these stars would light up the sky giving people light . ... the most important is the Sun, because without that it wouldn't be life on Earth . Earth would just be a rock with ice.
Explanation:
The Carbon Cycle is the <span>process releases carbon dioxide back into the air</span>
It depends on the particular ecosystem and why and how it was destroyed. It can take just 2 years or over 100 years depending on the different factors. Sometimes ecosystems never recover.
Answer: C
Explanation: Early settlers used sheep for their meat, milk, and wool