In the periodic tables metals are on the left side and nonmetals are in the right side.... so we can know whether an element is metal or nonmetal by it's position on the periodic table..
epithelial stomach cell>stomach lining tissue>stomach>disgestive system
The answer would be between b and d but i would go with d
<u>Answer:</u>
<em>It is advantageous to have lesser number of bones in the pectoral girdle.</em>
<u>Explanation:</u>
Pectoral girdle is made up by the bones that connect the upper limbs to the appendicular skeleton which includes all the limb bones. Pectoral girdle in humans is made up of two bones. They are clavicle (collar bone) and scapula. The pectoral girdle allows the free movement of upper limbs.
The bones of pectoral girdle are not as massive as the bones of pelvic girdle since it doesn’t have the function of support. Lesser number of bones in pectoral girdle makes movement of upper limbs more free.
there is less energy on the 5th level, the less the energy, the smaller the food chain
