Answer:
Earth's average density is higher than the Moon's. The density of Earth's crust is a little less than the Moon's, but Earth's density increases toward the core.
Explanation:
Explanation:
excretory system is present in human body which discharge out the waste material time to time. basically when a cell in a body breaks down they produce various waste material like carbohydrates eliminates carbon dioxide while digestive system eliminates through feces. any malfunctioning can cause serious problem like constipitation kidney failure and kidney stones
the right answer is by diffusion across a capillary wall
Answer: bc any living organism must take in energy via food, nutrients, or sunlight n order 2 carry out cellular processes.
Explanation: The transport, synthesis, n breakdown of nutrients n molecules n a cell require the use of energy.
hope it helps:))
Answer:
The word ‘comet’ comes from the Greek komhth comètè (long-haired), from which we also get the word ‘comb’. Loosely, a comet appears as a hairy star. For millennia comets have been associated with disasters. Two examples are the apparitions of Halley’s Comet during the Battle of Hastings in 1066 and the destruction of Jerusalem in AD 70. Comets really do appear mysterious. While the stars, the Sun, the Moon, and the five naked eye planets all follow regular and predictable motions, comets appear suddenly, quickly move in an erratic fashion, and then abruptly disappear, apparently never to be seen again.
Comets contain dust, ice, carbon dioxide, ammonia, methane and more. Astronomers think comets are leftovers from the material that initially formed the solar system about 4.6 billion years ago.
Explanation:
