BIOLOGY HIGH SCHOOL

Air has a density of 0.001293 g/cm³. Which of these gases would make a balloon float in air? Check all that apply.*nitrogen, density: 0.001251 g/cm³
*carbon monoxide, density: 0.001977 g/cm³
*helium, density: 0.000178 g/cm³
*carbon dioxide, density: 0.001977 g/cm³
*hydrogen, density: 0.00009 g/cm³
*oxygen, density: 0.001429 g/cm³

Answers

Answer 1
Answer: helium,density;0.000178
Answer 2
Answer:

Answer:

I put A,C,E

Explanation:

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What's the role of enzymes in seed germination?

Answers

They help with storing "food" in fruits and foods to make them edible for us people.

How does the ear work (the three different segments in the ear)

Answers

The three different segments in the ear are the outer ear, the middle ear, and the inner ear. When you hear a sound, the vibration of the sound travels from the outer ear all the way to the inner ear where the sound is transmitted as information to the brain, and then you realize what kind of sound is heard. For instance, the blowing of a whistle or a school bell.

Answer:

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Which explanation is most likely the reason for the evolution of a larger brain in humans? The size of the human brain increases the more it is used. A larger brain allows humans to solve complex problems. The size of the human brain has changed randomly over time due to mutations. A large brain increases humans’ ability to fight and survive disease.

Answers

Across nearly seven million years, the human brain has tripled in size. The most likely the reason for the evolution of a larger brain in humans is that a larger brain allows humans to solve complex problems. Large, complex brains  enable humans to process and store a lot of information and to interact with each other and with their surroundings better. The  brain we now humans have is the largest and most complex of any living primate.
A large brain allows humans to solve complex problems. This, in turn, has allowed humans with bigger brains to survive better than humans with smaller brains.

If the domain of the square root function f(x) is mc024-1.jpg, which of these statements must be TRUE?A. 7 is subtracted from the x-term inside the radical.

B. The radical is multiplied by a negative number.

C. 7 is added to the radical term.

D. The x-term inside the radical has a negative coefficient

Answers

Answer:

Option D is correct.

D. The x-term inside the radical has a negative coefficient

Explanation:

The negative coefficient means a negative relation between X and Y variables i.e. increase in X will decrease Y and vice versa. So, that's why the answer to this question is the X term inside the radical has a negative coefficient.
The only reasonable answer is that the x-term inside the radical has a negative coefficient. The answer to your question is D. I hope that this is the answer that you were looking for and it has helped you.

Which of the following is true of Clydesdale and Thoroughbred horses? A.They are the same species and have different traits.
B.They are different species and have the same traits.
C.They are different species and have different traits.
D.They are the same species and have the same traits.

Answers

The Answer is A. They are the same species and have different traits.

Element A has 15 protons. How many neutrons are there in its isotope with mass number 33?A) 15

B) 18

C) 33

D) 48

Answers

I think the correct answer from the choices listed above is option B. The mass number of every isotope of an element is equal or constant. It is the number of neutrons that id different with every isotope. For this case, the number of neutrons should be 18 since the number of neutrons and the number of protons should sum up to the mass number.
The number of neutrons that are present in this isotope with a mass number of 33 would be B. 18.
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