Answer:
The answer is a. they are much like empty rooms.
Explanation:
Cells are pretty much the opposite of empty rooms. There are many organelles and processes happening in them, so there's no space for empty rooms. Even when there are spaces, which anyway would be full of liquid, these spaces have a purpose.
<u>Answer</u>:
Option d. many small changes can create a whole new species
<u>Explanation</u>:
In the natural selection when the animals gets adapted in a better manner, they tends to thrive in and gets the ability to reproduce more which leads to the formation of the new bigger species. It leads to a change when the individual with few characteristic have the survival chance more also the reproductive rate as compared to others individuals in the group and also passes these inheritable genetic traits to the offspring.
Create an experiment for this question: How is stomach acid neutralized in the small intestine?
Answer: As we already know it is the pancreas that manufactures enzymes that digest nutrients and releases bicarbonate to neutralize acid chyme that enters the small intestine. An experiment that could be performed to answer this would be to put in a glass flask bicarbonate soda. Then cover it with a balloon to turn it upside down and fill the balloon with the bicarbonate soda. Next you add vinegar to the flask and put back the balloon and slowly pour the bicarbonate soda and see the neutralization reaction that will take place.
I hope it helps, Regards.
B, 30% billion, because there are 8 billion people on earth and that answer makes the most logical sense