<span>Most organisms, including humans, can't use the free gaseous form of nitrogen found in the air. We need other organisms and natural processes to "fix" nitrogen into a solid form that plants and animals can use. Most of the nitrogen that plants and animals use is made by bacteria.</span>
Insects has a broad range of species and they are able to easily adapt according to their surroundings, hence increasing their survivability rate
Answer:
26% is the percent of the population will have an A blood type (Option C)
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Answer:
Observers ahead of the wave observe an apparent increase in wave frequency
Explanation:
This is the Doppler Effect. The frequency of a wave increases when the source approaches the observer and decreases as the source recedes.
B, C, and D are wrong. Observers behind the source notice a decrease in frequency.