85% of adults are grandparents by age 65. This estimation has been made in the U.S. from the surveying of the elderly. So, the correct choice is the third option: 85.
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Answer:
angiosperms have flowers that attract organisms like insects, which aid in fertilization. The one evolutionary advantage of angiosperm over gymnosperm is the pressence of flowers. The pressence of flower makes it most successful among other plant group. The pressence of flower in the plant makes plant look more attractive and attracts insects for pollination. This property allows better transportation of flower.The more the insects are attracted towards the plant the transportation of seed will be more. Angiosperms contain both seeds and flowers, while gymnosperms only contain seeds.
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Explanation:
Answer:
It is caused by abnormalities in color-detecting molecules, known as cones, in the retina.
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Answer:
The answer is C : The magnetic orientation of rocks may change in Location A and subduction occurs in Location B.
Explanation:
Answer: Option B
Explanation:
An albedo can be defined as portion of sunlight that is reflected back into the atmosphere without being absorbed.
The substance that will have the highest albedo value will absorbs less and will reflect most of the light falling on it.
The substance having the lowest albedo will absorb most of the lights falling on it. Example a black sheet of paper will absorb most of the light falling on it.