Tan wants to ride his bicycle to the school but he finds that the tyre is flat. Tan pumps air into the tyre. Explain the state of the air particles inside the pumped tyre. ​

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

Explain how mendel kept his pea plant from self pollination