Crossword - Grade 9 English

123456
Across
  1. 3. the influence of things on one another (clue: Starts with O)
  2. 6. An advantage or profit gained from something (clue: Starts with B)
Down
  1. 1. Knowledge or perception of a situation or fact (clue: Starts with A)
  2. 2. Poisonous (clue: Starts with T)
  3. 4. The food _ _ _ _ _ is a linear network of links in a food web (clue: Starts with C)
  4. 5. An optical instrument using lenses to observe distant objects (clue: Starts with T)