Answer:
an element is a pure substance which can not be spilt into simpler substances by chemical means
Explanation:
examples hydrogen, oxygen, copper
Sexual reproduction<span> provides </span>genetic diversity<span> because the sperm and egg that are produced contain different combinations of </span>genes than<span> the parent organisms. ... Each resulting cell, or gamete, resulting from meiosis has only half the amount of DNA as the parent cell.</span>
The law of independent assortment<span> states that traits are passed from parents to offspring independently of one another.</span>
Alveoli are part of the reparation system found in the lungs. They are covered in capillaries. In Alveoli, oxygen diffuses from the air into the blood vessels surrounding the alveoli and carbon dioxide from the body diffuses from blood into the alveoli’s air spaces. Alveoli clump together and form sacs.
Answer:
Producing and exporting organs in the plant (typically mature leaves) are known as sources, while non-photosynthetic organs (fruits, roots and tubers) and immature leaves are known as sinks.
Explanation:
