Answer:
Light, minerals, and things from the periodic table!!
Explanation:
Answer:
Abiotic is basically a non living factor so the answer is
D. Sunlight, temperature , conductivity, dissolved oxygen.
All other options contain one biotic or living factor like algae, star fish and crabs these aren't Abiotic.
Answer:
d. 28,650 years
Explanation:
Since 14C has a single half-life of 5,730 years
The number of years that is going to make up 5 half-lives for 14C will be;
5,730 years × 5 = 28,650 years
8. light and dark purple, rose pink, colourless, green, yellow orange, smokey...
9. Russia...
10. largest copper mine is found in Utah... copper is mostly used in electrical generators and motors and for electrical wiring, this is because it is such a good conductor of electricity...
11. titanium is mainly mined in Western Australia... it is used in the medical field for implants and replacement such as hip bones...
12. lead from pencils is found in your home..it is know as Galena and is mined in USA...
hope this helps you alot!!