The limb buds appears in the in the fourth week of gestation and the
upper limb is visible on day 24. Initial elongation of the bud forms around 33
days and continues to elongate until seven weeks.
Explanation:
Wegener used evidence of climate change to support his hypothesis. As a continent moves toward the equator, its climate becomes warmer. As a continent moves toward the poles, its climate becomes colder. But the continent carries with it the fossils and rocks that formed at its previous locations.
Answer:
<h2>Dyspareunia</h2>
Explanation:
Dyspareunia is pain occurs during sexual intercourse and other sexual activity . The pain of Dyspareunia may be superficial or very deep depending on the disease progress. The reason of this pain may be vaginal dryness or disorders of the genital organs ,or too little arousal before intercourse and many other reasons. The bases of diagnosis of dyspareunia is based on symptoms and a pelvic examination.
Treatment: dyspareunia can be treated by the use of antibiotic or anti-fungal therapy.
Answer:The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass. In a physical change, a substance's physical properties may change, but its chemical makeup does not.
Explanation:
