Option 1 is the correct answer
Answer:
A. Crust
Explanation:
The most common chemical elements in the crust are oxygen (46.6%), silicon (27.7), aluminum (8.1), iron (5.0), calcium (3.6), potassium (2.8), sodium (2.6), and magnesium (2.1). These figures vary among different studies because we really have no way to know for sure.
Answer:
<em>Hi There The correct answer to this is Energy from the sun helped power the water cycle and Earth's gravity kept water in the atmosphere from leaving the planet. The oceans hold about 97 percent of the water on Earth. About 1.7 percent of Earth's water is stored in polar ice caps and glaciers. Rivers, lakes, and soil hold approximately 1.7 percent.</em>
<em>Hope it helps!</em>
Answer:
2,3,4,5 are correct
Explanation:
2- Breast-feeding is typically less expensive than formula feeding.3- Breast-feeding can reduce an infant’s risk of infection, allergies, and certain chronic diseases.4- All mothers should consume 500 kcal extra daily while breast-feeding until weaning of the infant.5- Women with AIDS or active tuberculosis should feed formula rather than breast-feed.
1. is not correct because colostrum is released just for few days after the pregnancy
