Cutting down vast tracks of rain forest may result in a loss of all the following environmental effects, except which one?

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters

How can you approximate the number of calories required to keep you in energy balance?

What must be done to breed dogs for a partical trait