Answer:
D. A positive charge, because of a covalent bond with oxygen
Explanation:
A water molecule contain both hydrogen and oxygen atom. Water is a polar molecule because it has positive electric charge in one of it's poles and negative charge on the other. The hydrogen is positively charged and the oxygen is negatively charged which are bonded by covalent bond. Hydrogen is positively charged because it cannot attract electrons strongly like oxygen which is positively charged. There is unequal sharing of electrons in water molecules and this is why oxygen is slightly negative and hydrogen is slightly positive.
Answer:
D.the size of a population
Explanation:
Hope I am right
Adaptions that help animals to survive in alpine biome:
• Enlarged nasal cavities help with breathing in the high altitude.
• Many animals have padding on their feet.
• A round body helps animals keep warm.
• Lots have thick course fur.
• Some have unique blood types that adapt to less oxygen in the air.
• Some animals stay in groups to survive.
