The statement that would best keep the world's oxygen supply from decreasing:
a.Planting trees in forests that have been harmed
Trees decrease the urban heat island effect via evaporation cooling and lessening the amount of sunlight that reaches parking lots and buildings.
D. Horses and donkeys are different species [but are in the same family: Equidae]
Cuanto pesa en total la pelota?
Answer:
When conducting research, scientists use the scientific method to collect
measurable, empirical evidence in an experiment related to a hypothesis (often in
the form of an if/then statement), the results aiming to support or contradict a
theory.