Answer:
A. The wavelength increase
Explanation:
The wavelength should increase if the frequency of a sound increases.
??? (Sorry if this is wrong)
B. cellular respiration, Hope this helps!
Answer:
Gram positive bacteria have cell walls composed of thick layers of peptidoglycan. Gram positive cells stain purple when subjected to a Gram stain procedure. Gram negative bacteria have cell walls with a thin layer of peptidoglycan.
The main solutions of air pollutions are;
1. We have to use the vehicles which run through compressed natural gas
2. We have to use geo thermal, solar,wind energies to prevent air pollution
3. Use car pooling to reduce pollution
Answer:
recessive trait ,I think it
