Correct answer is 2 - To breathe
Stem stands for B) science, technology, engineering, and mathematics
Answer:
elimination of synthetic pesticides and fertilizers and other materials, such as hormones and antibiotics, yield is typically lower in an organic field than for a similar crop grown in a conventional or GM cropping system, use of biological control, crop rotations and other techniques to manage weeds, insects and diseases.
Explanation:
i did the usa test prep :)
The correct answer is d. spinal cord.
Spinal cord is a bundle of neurons which starts from the brain and runs down the entire length of the back of the body. The spinal cord acts as a main means to transmit the messages between the brain and the body.
Sensory or efferent neurons carry the information from the perimeter of the body and pass to the central nervous system whereas the motor or efferent neurons act as a communication channel and carry the information from the nervous system to various glands and muscles.
The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH.
In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.