The Answer Is A. Hope This Helps ;P
The following tests can determine the mineral in a rock specimen:
1. How does the rock crumble or split under pressure?
2. What is the texture of the rock?
3. Observing it under a magnifying lens.
4. Determine the color of the rock
Test 1 and 3 determines if the rock is granular and the types of grains in the rock. Test 3 also determines if the rock has layers hence sedimentary rock.
Determining whether color of the rock is dark or light also helps identify the mineral and type of rock.
Please finish the sentence.
Answer:
It Depends...
Explanation:
The null hypothesis is that statement that we use as an opposite case of the original expected result. If the null hypothesis is rejected then that means that our expected result is true. If the null hypothesis is accepted then it means that the expected values are in field of error. When the null hypothesis gets rejected it goes for another series of test a.k.a the LSD (Least Significance Test) but sure that another advance level approach for a hypothesis testing...
This can be answered by asking why do we all have different skin colours: Melanin pigmentation. Years of evolution made different people around the worrld different skin colours as an protective mechanism against high levels of UVR exposure, the closer people were to the eqautor, the hotter it would be, so many people living in tropical and desert like climates had darker skin. To answer about folate though, people are darker skin tones living near the equator had dark skin to prevent folate deficiency. So yes everyone has folate, but some people are darker skin to better protect it and their skin.
Hope this helps, HAVE A BLESSED AND WONDERFUL DAY! As well as a great Superbowl Weekend! :-)
- Cutiepatutie ☺❀❤