Answer:
Sedimentary rock layers contain information about the relative ages of events and objects in Earth's history. As you read earlier, sedimentary rocks form from the sediments that fall to the bottom of lakes, rivers, and seas. Over time, the sediments pile up to form horizontal layers of sedimentary rocks
The rock layers above the bone bed are younger than the bone bed. The rock layers below the bone bed are older than the bone bed.
Answer:
photosynthesis
Explanation:
a plant has cells that break down the carbon dioxide in the air which is what animals and human being produce and they produce oxygen which is what we breath.
that is why they say that talking to your plants helps with their growth. hope this helps
Answer:
Vestigial structure. Hope this helps :P
Explanation:
Answer: A. Does the wave require a medium to travel.
Explanation:
Mechanical waves require the presence of a material object to be able to engage in energy transfer. For example, Sound is a mechanical wave that needs a medium to travel such as a solid or liquid.
Electromagnetic waves on the other hand, are able to travel through a Vacuum including that of space and they include all light waves. This is why the sun's light is capable of reaching Earth.
