Answer the following question given this paragraph: Blood enters the kidney through the renal artery , which branches into capillaries. When blood passes through capillaries of the glomerulus of a nephron, blood pressure forces some of the water and dissolved substances in the blood to cross the capillary walls into Bowman's capsule . Q: Blood enters the kidney through the which artery? Choices: - cardiac artery - vas deferens - jugular - renal artery A:
renal artery
(Question)
Answer the following question given this paragraph: Air pressure affects how high a cake rises when it bakes. Directions for cake mixes often have special high altitude instructions, like those on the label below. Explain why. Q: What affects how high a cake rises when it bakes? Choices: - air currents - air movement - current pressure - air pressure A:
(Answer)
air pressure
Ques: Answer the following question given this paragraph: Metallic bonds are forces of attraction between positive metal ions and the valence electrons that are constantly moving around them (see the Figure below ). The valence electrons include their own and those of other, nearby ions of the same metal. The valence electrons of metals move freely in this way because metals have relatively low electronegativity, or attraction to electrons. The positive metal ions form a lattice-like structure held together by all the metallic bonds. For an animated version of metallic bonding, go to this URL:. Q: What kind of bonds are forces of attraction between positive metal ions and the valence electrons that are constantly moving around them? Choices: - neutron bonds - liquid bonds - ionized bonds - metallic bonds A:
Ans: metallic bonds
(Q).
Answer the following question given this paragraph: Q: What two ways do channels respond during membrane depolarization? Choices: - sequentially and identically - independently and typically - typically and sequentially - independently and sequentially A:
(A).
independently and sequentially
Ques:Answer the following question given this paragraph: The extent of Arctic sea ice in summer has been decreasing rapidly. The ice pictured below is the sea ice minimum in 2011 ( Figure below ). The yellow line is the median minimum ice extent for 19792000. Q: What trend is occurring involving the extent of arctic sea ice in summer? Choices: - slow decrease - water decrease - Ice growth - rapid decrease A:

Ans:rapid decrease
Answer the following question given this paragraph: All types of radioactive decay pose risks to living things, but alpha decay is the least dangerous. That's because alpha particles are relatively heavy, so they can travel only a few centimeters through the air. They also are not very penetrating. For example, they can't pass through a sheet of paper or thin layer of clothing. They may burn the skin, but they can't penetrate to the tissues underneath the skin. However, if alpha particles are emitted inside the body, they can do more damage. One way this can happen is by inhaling cigarette smoke. People who smoke actually inhale the radioactive element polonium-210. It undergoes alpha decay in the lungs. Over time, exposure to alpha particles may cause lung cancer. Q: What type of radioactive decay is generally only dangerous when emitted inside the body? Choices: - ionic decay - variant decay - nucleus decay - alpha decay A:
alpha decay