Phineas and Ferb build a flying machine. They accelerate into the air in a straight line, going from 0 m/s to 30 m/s in 3 s. Find their average
acceleration.

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis