During photosynthesis, plants use carbon dioxide and produce oxygen. During metabolism oxygen is used and carbon dioxide is a product. Humans impact the carbon cycle during the combustion of any type of fossil fuel, which may include oil, coal, or natural gas
The density of water is 1.0kg/L
I am not exactly sure but I would gn with protein because DNA does not look like that is how the cell is so maybe protein or starch
Answer:Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact lifetime of a star depends very much on its size.
The Everglades could become contaminated with pollutants like fertilizer used for agriculture.
