Question

10. number of periods in 7 digit numbers ​

Answer 1

The same number is arranged in three periods in the International place value chart, as, ones, thousands, and millions. From the place value charts, it is clear that starting from the right, the numbers 7, 1, 6, 9, and 1 have the same place values.

Answer 2

Answer:

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product

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