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Paladinen [302]
3 years ago
5

The respiratory systems of birds are very efficient at providing oxygen to the blood, which is necessary for birds to expend the

energy necessary to fly. What feature of the bird respiratory system makes it more efficient than the respiratory systems of other animals?
A. a one-way air flow through the lungs and airways
B. a two-way air flow through the lungs and airways
C. bubble-like alveoli for gas exchange in the lungs
D. many tracheal tubes that connect the lungs to the skin
Biology
1 answer:
Murljashka [212]3 years ago
8 0

Answer:

B

Explanation:

Im sooo sorry if its not :(

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How can the addition of non-toxic amounts of fertilizer end up killing fish in a pond?
Ksivusya [100]
The answer is B. Bacteria blooms and decreased underwater photosynthesis causes asphyxia, killing the fish.

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6 0
3 years ago
Geologic plates move away from each other in a process called convergence. O True O False​
KengaRu [80]

Answer:

False

Explanation:

Convergence of plates can occur when

two geological tectonic plates are moving towards each other, where one of this plate go in direction beneath the other plate. As they moved towards each other mountain chain can be formed in a situation whereby the two plates has the same density.

Hence, the best option is FALSE because it is in only "DIVERGENCE PROCESS " that the plates moves away from each other.

7 0
3 years ago
Why do paleontologist study fossils ?
Stells [14]

Answer:

Paleontologists study fossils so that we can understand the evolution's from past species to the current ones. It also opens a window to discovering exactly how long earth has been around by finding out the age of the fossil itself. Though paleontology has been in the decline recently, and i'm sure we haven't found out all we need to know from these fossils.

Explanation:

3 0
2 years ago
Mr. Jones suffered a "stroke" as a result of a brain injury. Although he can still move the fingers on his right hand, he has lo
Anastasy [175]

The options are:

A) Right Frontal Lobe

B) Right Temporal Lobe

C) Left Frontal Lobe

D) Left Parietal Lobe

E) Hypothalamus

Answer:

The correct answer is D) Left Parietal Lobe

Explanation:

Parental lobe plays an important role in combining and interpreting sensory information coming from various body parts. It process information which allows individuals to know about the position of his body parts.

The damage in the left parietal lobe will affect the right side of the body and cause numbness and impaired sensation in the right side of the body. So the individual who has damaged left parietal lobe will not able to sense any stimulus in his right hand but can still move his fingers. So the right answer is D.

8 0
3 years ago
Read 2 more answers
Classify the planets based on their composition.
Darina [25.2K]

Answer:

Terrestrial  - Mercury, Venus, Earth, and Mars

Gas Giants  - Jupiter, Saturn, Uranus, and Neptune

Ice Giants - Uranus and Neptune

Explanation:

Gas plants are the planets that are composed mostly of the gases in them such as helium and hydrogen found in Saturn and Jupiter planets there are four planets known as the gas giants that are Jupiter, Saturn, Uranus, and Neptune. However, Uranus and Neptune planets are known as ice giants as these two planets are cold and remote and made up of completely different gases from the other two gas giants.

Terrestrial planets are the planets that are more rocky and compact in terms of their surface and these planets are inner planets of our solar system that are Mercury, Venus, Earth, and Mars.

3 0
2 years ago
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