the answer is B. the elements atomic number tells u how many protons and electrons are in an atom
Answer: D. Boats, Because, your not able to smell the carbon monoxide on boats, you can't smell it on planes, and you CAN smell it on trains so that rules 'C.' out. Your able to smell it on land vehicles, don't believe me? Stick your nose in the back of a car that's running. Your able to smell it in factories, because in China, individuals have to wear gas masks to go outside or walk to work.
Taphonomy is the study of the process of fossilization, from the death of the organism to the moment of the fossil's discovery and everything in between. Fossilization is the process by which a plant or animal becomes a fossil, the process is extremely rare and only a small fraction of the plants and animals that have lived in the past 600 million years are preserved as fossils. Taphonomy entails the study of what happens in plants and animals after they die, including the processes of decay and fossilization.
Answer:
All animals are heterotrophic and have cells with no cell wall.
Explanation:
Since animals don't perform photosynthesis or any other process to make food, and don't contain a cell wall, that is what makes them different. Protist can be both autotrophic and heterotrophic and some can contain a cell wall, but most of them don't have cell walls.