A large and naturally occurring community of flora and fauna occupying a major habitat
Scientists have yet to prove that the current global warming trend is not part of the natural cycle of Earth. Many things are being done now, mostly focusing on emission controls placed upon industry and transportation.
Biotechnology allows farmers to grow more food on less land using farming practices that are environmentally sustainable. Through biotechnology:Seeds yield more per acre, plants naturally resist specific insect pests and diseases, and farming techniques improve soil conservation.
Out of the choices given, active and passive transport of solutes across a membrane typically differ because active transport always involves the utilization of cellular energy, whereas passive transport does not require cellular energy. The correct answer is B.
