Answer:
More than 7000 chemicals are present in tobacco smoke.
Explanation:
In these 7000 chemicals, 250 are harmful to the human body such as carbonmonoxide, ammonia and hydrogen cyanide etc. There are some chemicals that are found in tobacco smoke which causes cancer disease in human. About 69 chemicals out of 250 are present in tobacco smoke that causes cancer disease. So its consumption is dangerous for health.
<span>also supports and protects and shapes a plant cell and also regulates what moves into the cell can help support the entire plant. What similarities do the mitochondria and chloroplasts share? Both membrane bound organelles have their own DNA and help make energy available to the cell.</span>
I think the correct answer from the choices listed above is option B. A modification of the leaves into the spine in a cactus plant can be seen The spines are modified leaves. It helps defend the plant and also reduce the surface area which helps limit loss of water.
The cyanobacteria from places like volcanic pools so important for the production of oxygen in our atmosphere because oxygen slowly reacts with bacteria and r<span>elease Oxygen. Thank you for posting your question here at brainly. I hope the answer will help you. </span>
Answer:
it is not better to examine 100 offspring becasue if you acidently drop some thing on it it will be dead just try 10
Explanation:
i did it on a exam