The answer is; D
The angle at which the sun rays strike the earth at the equator is more or less 90 degrees while you move towards the poles, it much less than this. This means that the unit of sunlight per surface area received at the equator is higher than that at the poles. This is why the equator is always warmer than the poles.
Some antibiotics can be naturally produced by fungi
Answer:
Infrasound
Explanation:
Infrasound, sometimes referred to as low frequency sound, describes sound waves with a frequency below the lower limit of audibility.
I hope this helps! (i just googled it)
A bactericidal antibiotic, such as penicillin, kills the bacteria. These drugs usually interfere with either the formation of the bacterial cell wall or its cell contents. A bacteriostatic stops bacteria from multiplying.
