Answer:
<h2>One carbon atom forms four covalent bonds with four hydrogen atoms by sharing a pair of electrons between itself and each hydrogen (H) atom.</h2><h2>...</h2><h2>Properties of polar covalent bond:</h2><h2>Number of electron pairs shared Type of covalent bond formed</h2><h2>1 Single</h2><h2>2 Double</h2><h2>3 Triple</h2>
Answer:
Chemical
Explanation:
Macromolecules are part of the chemical components of cells. For example, DNA, proteins, and lipids.
Cells of similar types/function form tissues. Different types of tissues interact together to form organs. Organs form a common function.
Answer:
aa
Explanation:
There is a lowercase a on both sides.
