According to MO theory, what is the bond order of the acetylide (C22-) anion? 

An element Z combines with magnesium to form an ionic compound having the formula Mg3Z2. What is the formula of the ionic compound formed between aluminum and Z?

  D is

What are the veins called that drain blood from the fingers and toes?

Two arteries arise after passing behind the knee, and one gives rise to a third artery. The   travels along the frontside of the shin in the leg. The travels along the back side of the leg and the splits off from it on the lateral side of the leg.   See the image below for reference. The left image is the anterior view and the right image is the posterior view.

  C, which branches off anteriorly, is the

The veins from the small and large intestines join the from the spleen to become the , which drains into the liver. The drains the the blood from the liver into the .  See the image below for reference.

C is

When you “flex your biceps”, which nerve is telling your muscles to contract?

The anterior view is on the left and the posterior view is on the right. C is