m down. . TEST YOURSELF Fill in the blanks. (a) A cell is the basic unit of (b) The outer covering of a plant cell is called (c) The jelly-like fluid found between the plasma membrane nucleus is called d) are fluid-filled spaces. e) Plastids are absent in cells. Lysosomes are found in cells only. en Graded Science and Environment Book 7

What are benefits from nestle bottling water from the great lakes?

In the sentence above, which verb is the irregular verb? a. laid b. warmed c. removed d. walked

Aids is growing fastest in the poorest countries of africa. these nations don’t have enough doctors, medical labs, or money for medicine. a recent study showed that only a small percentage of hiv-infected children in africa are getting any medical treatment at all. what central idea is emphasized in both sources? the hiv/aids epidemic in africa is serious. the hiv/aids epidemic in south africa is serious. the hiv/aids epidemic among african children is serious. the hiv/aids epidemic among south african children is serious