The answer to the first question is a.
I'd say probably Biomass, not 100% sure but it's renewable, but it can create power and heat.
The term being describe above is the hormonal method in which it prevents the egg from reaching the ovaries to prevent the women from being pregnant during intercourse. There are different types of hormonal methods being used, and it does not only prevent eggs in reaching ovaries but it prevents also sperm in reaching the uterus.
Answer:
The model cannot explain why planets appear to go backward and make loops in the sky. Explanation: As an example, the observation of the planet Mars shows that there are times where it seems to be moving forward at first, then back, and then forward again
Explanation:
450 mya, is where you would find fossils.
Explanation:
The first layer would be newer organismis that haven't quite decayed yet.The second and third layer is where the bones of the dead organasims lie, they havent quite been through the whole process yet, but they are nearly complete just about 100,000 years left.The fourth layers have been through alot, and have been there for many many years we can say abot 100,000,000 years.They are ready to become a fossil fuel.
