Answer:
A magnetic compass points to the earth's magnetic poles, which are not the same as earth's geographic poles. ... When it comes to magnets, opposites attract. This fact means that the north end of a magnet in a compass is attracted to the south magnetic pole, which lies close to the geographic north pole
Answer: B
Explanation:
After a muscle fiber is stimulated by a nerve signal, a release of stored calcium ions leads to muscle contraction.
Common electrolytes include sodium, chloride, magnesium, calcium and potassium.
Sodium and potassium help in the generation of nerve impulses while calcium aids muscle contraction. Sodium is also actively involved in the movement across cell membranes.
Early detection of an asthma exacerbation is critical in a child. Peak flow is a fast and easy measurement helpful in determining the severity of the exacerbation. Documenting measurements that reads lower during exposure of certain allergens is a way to determine what the main cause of the exacerbations in the child.
Your answer is the nuclear envelope, The nuclear envelope is a double membrane of the nucleus that encloses the genetic material. It separates the contents of the nucleus from the cytoplasm.
Choosing to not use tobacco is the start to leadership and control over how you want to live the rest of your life. You stay looking young, healthy, and you're not at high risk for developing cancer in your heart or lungs. Many tobacco users age quicker, lose their voice, develop cancer, have severe kidney problems, and can even result in death.
That's my answer :) hope it works!
