Which statement best describes how landforms are created? A. A. Landforms are created by tectonic processes in the geosphere. B. Landforms are created by mountain-building processes as well as weathering and erosion processes C. Landforms are created by volcanoes, which create mountains. D. Landforms are created by wind and water, which transport and deposit sediment.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;