Answer:
After four half lives or 32 years, only 12.5 grams will be left.
Hope it helps :)
Trace fossils provide us with indirect evidence of life in the past, such as the footprints, tracks, burrows, borings, and feces left behind by animals, rather than the preserved remains of the body of the actual animal itself.
Answer:
It would be the first one
Explanation:
I am sure it would be this because when farming, you are not harming the environment or any other ecosystems in anyway. It would also supply food for a constant growing population. Let me know if this helps!
Answer:
Consuming tuna from a dented, bulging can. (Ans. C)
Explanation:
Botulism is a rare poison, and caused by a toxin which is known as clostridium botulinum. Botulinum requires emergency medical care because sometimes it can be fatal. It can spread through contaminated water, food, and by touching the surface area which is contaminated.
Symptoms of botulism includes:
1) Difficulties in speaking, and facial weakness.
2) Pain in the abdomen area.
3) Weak eye muscles.
4) Feeling dizziness.
5) Double vision or blurred vision.
Explanation:
Ans. They use the help of the brain and nerves
