Jacob, a 33-year-old construction worker, complains of a "lump on his back" over his scapula. It has been there for about a year and is getting larger. He says his wife has been able to squeeze out a cheesy-textured substance on occasion. He worries this may be cancer. When gently pinched from the side, a prominent dimple forms in the middle of the mass. What is most likely?A) An enlarged lymph nodeB) A sebaceous cystC) An actinic keratosisD) A malignant lesion

b. A sebaceous cyst

Explanation:

A sebaceous cyst is a non-cancerous bump that is been found beneath the skin, it's small and grows at a very slow pace. They are found around the neck, face and torso areas of the body, their pain are usually little but might increase as their sizes increases. They are misunderstood as cancer by some individuals, but they are non-cancerous.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

its b i googled it wish u luck