Answer:
a. By Calculating magnetic reversals.
Explanation:
They determine the age of the ocean floor by examining magnetic fields in the planet Earth.
X-rays are the radiation that allows us to see through the skin to visualize bones
1. B
2. <span>It needs to be understood if this really affects the cow or the consumer in any negative way.
3. C but i'm not sure
4. </span>The initial 2 aren't right. What's more, the third one is just valid if the therapeutic issue is y-connected so it's not ALWAYS. So that abandons you the last one, which bodes well on the grounds that the tyke gets qualities from the father too which impact it's wellbeing.
5. A but i'm not sure
6. <span>A high degree of illegal drug use among young adults
7. </span>C. Because everyone sneezing spreading their germs onto other because is obviously going to cause others to get sick.
Store energy, provide metabolic fuel and help in digestion
The mutation will occur on the X chromosome. Males are more susceptible to sickle cell amenia because they only carry one X chromosome instead of two when compared to a set of female chromosomes. If a female only has the mutation on one chromosome the disease will not appear. However, when a male recieves the mutation on the X chromosome, the disease would appear, because they only have one X chromosome.