Answer:
Environmental Tobacco Smoke
Answer:
4th one is correct :)
More carbon dioxide gas would be found in Earth's atmosphere
Answer:
Other deposits may be from fossilized bone or bird droppings called guano. Weathering and erosion of rocks gradually releases phosphorus as phosphate ions which are soluble in water. Much of the phosphate eventually is washed into the water from erosion and leaching.
Explanation:
Answer:
Germ Cell DNA.
Explanation:
Mutations are only passed on to offspring when they occur in germ cell DNA, which are the cells that create sperm or ova.
mutations only occur in germ cells and their DNA.