2. Circle the letter of each sentence that is true about water's structure.A water is made up of atoms bonded to form molecules
B. water contains halt as many hydrogen atoms as oxygen atoms
Ć water molecules tend to push away from each other
D. the chemical formula for water is H.O

Answer:  fat

Explanation:

Carbohydrates, fats and proteins are among the major nutrients in the food component.

• Where proteins helps in growth of the body where as carbohydrates and fat provide energy. Protein has 4 calories per gram.
• Carbohydrates are instant form of energy. All carbohydrates turn into glucose and raise our blood sugar. Carbohydrate has 4 calories per gram.
• While fats are the slowest source of energy but provides most energy. Each gram of fat provides about 9 calories [ approximately more than twice that in proteins or carbohydrates].

Hence, fat gives you the most energy .

It's an extended period of rain. Hope this helps~

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Answer:

Option D

Explanation:

Animals on land get air directly from atmosphere. They need to extract it from any other sources like water animals use air dissolved in water or so.   Lungs is the most prominent and essential organ of respiratory system of organisms that directly intake oxygen from atmosphere and release carbon dioxide back into the atmosphere.

However, all amphibians and some other creatures like earthworms uses skin as respiratory organ on land. They intake air through their permeable moist skin.

Hence, option D is correct