Answer:
So far scientists have not found a way to find the exact age of the Earth directly from Earth rocks because Earth's oldest rocks have been recycled and destroyed by the process of plate tectonics. Ancient rocks exceeding 3.5 billion years in age are found on all of Earth's continents
Explanation:
Answer:
See below
Explanation:
Q1. incomplete information given
Q2. Protein will be present so <u>test tube C.</u> Beef is a rich source of protein. Hence, the Biuret test will be relevant in this case since that is specific to detecting proteins.
Q3. Orange juice has ample amount of simple sugars (such as fructose, glucose), which are monosaccharides. So option A. Benedict test is required here.
Q4. Incomplete information provided
Q5. You need a certain kind of food that is rich in protein and simultaneously lacks fats. Here, skimmed milk is relevant - fat has been removed from the milk although protein is still present.
The outer ear consists of the pinna, the part you can easily see and feel, and the ear canal. The pinna helps to gather the sound waves<span> around us. These </span>sound waves<span>travel down the ear canal where they strike the ear drum. The ear drum separates the outer and middle ear.</span>
