The polar head of a phospholipid is made of phosphate. The polar head has a negative charge that is made up of phosphate molecules. This polar region attracts water and is positioned outward to interact with the water.
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Temperature is not an agent of chemical weathering.
Answer:energy
Explanation:all activities of life including physical and chemical require energy to proceed
The human body is made up of four different types of tissues, these are epithelial, muscular, connective and nervous tissues. Epithelial tissues refers to the thin tissues, which covers all the exposed surfaces of the human body. They can be found in the following places: digestive tract, inner lining of the mouth, secretory glands, external skin, the lining of hollow part of the heart, etc. The cells of epithelial tissues are usually closely bound together and they lack blood vessels and nerves.
Answer:
Calm down but i gotchu hope it works
Explanation:
This is the periodic table and it shows both the meatl and non metals in the periodic table also their atomic number and mass
