Answer:
D
Explanation:
An oil boom helps contain the oil so that it is easier for them to skim it off of the water. They aren't meant to clean up oil, only to contain the oil since it does not sink or mix with water.
Answer:
C. The stratum contains iridium
Explanation:
The Asteroids are large rocky bodies found on the orbit of the sun.If a fragment of a asteroid falls on the earth it is known as the meteorite According to Luis and Walter Alvarez they stated that a huge asteroid strikes the gulf coast of mexico that killed many species o earth including the dinosaurs.this might be the reason for extinction of dinosaurs.Scientists and researchers reported that more than one asteroid involved in extinction of species of the earth.
Answer: BY Exercise. Or by morning waly
Explanation:beacuse due to walk our blood flow rapidly and provide more boold to brain and spinal cord. Which helps go keep our nervous system healty
Prokaryotic cells have various shapes; the four basic shapes of bacteria are: Cocci – spherical. Bacilli – rod-shaped. Spirochaete – spiral-shaped.