What is the approximate minimum stream velocity needed to keep a 6. 4-cm-diameter pebble in motion?.

If point e(5, h) is on the line that contains a(0, 1) and b(−2, −1), what is the value of h? a)-1 b)0 c) 1 d) 6 !

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers

When creating visuals, a journalist should