Answer:
C
Explanation:
Becuase fom a vaccine you are recieving antibodies by another animal or human donor.
D is unlinkely since it describes how the mother is nursing the baby, so nothing directly mentioning of the baby recieving any antibodies. The other options also talk about how the body creates its own antibodies, which isn't passive immunity.
Let's say there is a mother wolf watching her young and she see's a predator coming her communication would be to howl for her pack and behavior change would become for supervising to defensive
Answer:
A. Gas is added to the bladder as the fish's depth increases.
Explanation:
The swim bladder is a gas-filled organ localized in the dorsal region of Osteichthyes (bony fish) that allows them to regulate buoyancy, thus maintaining water depth without swimming. Since the swim bladder localizes in the dorsal region, it also functions as a stabilizing organ. This organ is composed of two sacs whose walls contract and expand in response to water pressure. The swim bladder contains an oval window that enables to adjust buoyancy in order to maintain a constant depth, or to ascend or descend in a wide range of water depths.
Left Panel
The first one is correct. NaHCO3 breaks down when mixed with vinegar and produces water Carbon Dioxide and Na which will combine with the acetate molecule in the vinegar.
NaHCO3 + HC2H3O2 → NaC2H3O2 + H2O + CO2 is the reaction.
Answer: A
Second from the left
It better not be any of the top three or stores are going to have a run on women's blouses. You have that one right. The other three are chemically neutral except for Ammonia which is basic in water (very week) although it does not smell that way.
Answer: D
Center
When you pick something like C, it cannot be anything but chemical. So C is not the answer.
Ionic bonds are also a chemical property.
Combustion is burning. That's chemical.
You have the right answer in D
Second panel from the right
The bottom three are all characteristics of bases. They are bitter. They are caustic (which means if they are strong enough they can destroy skin or deform it) they have a ph>7.
You have the right answer here A. They turn litmus paper blue.
Right Hand panel
Higher is correct. Pretty good score I'd say.
Answer A
