Answer:
Life on Earth evolved in oceans, while the land was not suitable for living due to lack of ozone and oxygen. With time, photosynthesis enriched our atmosphere with oxygen and the ozone layer was formed. This allowed the ocean-based life forms to evolve and venture onto land. From skeleton-less soft bodies, animals evolved lighter bodies with slim, strong legs to carry them against gravity. They had hard exoskeletons to protect them against weather elements such as rain,...
Explanation:
Answer:
The answer is D.
Explanation:
Maps and globes usually have lines on them to help locate places on Earth. These lines are called latitude and longitude lines. These lines are not actually on the planet, but are imaginary lines used to help us find our way around the curved surface of Earth. Lines of latitude and longitude crisscross to form a grid. Hope this helps :).
The correct answer will be b
I wish i could
help i used to know the answer ugh i forgot but i got the answer from brainly so i suggest you keep looking