Answer:
at least 1,000 people per square mile
Explanation:
I took the test it was correct. ( i know thats not an explanation im sorry but its correct).
Answer:
B. Bacteria can exchange genes for resistance to antibiotics in this way.
Explanation:
Even though conjugation requires cell-to-cell contact, it can occur between distantly related bacteria
Should be decontamination because you are removing the pollution that has been dispersed.
Answer:
No one can see in total darkness. Fortunately, there’s almost always some light available. Even if it’s only dim starlight, that’s enough for your eyes to detect. What’s truly amazing is how little light is required for you to see.
Human eyes have two main features that help us see better in low light: the pupil’s ability to change size, and the eye’s two types of light-sensing cells.
Opening up to let in more light
Your pupils are the black areas at the front of your eyes that let light enter. They look black because the light that reaches them is absorbed inside the eyeball. It’s then converted by your brain into your perceptions of the world.
You’ve probably noticed that pupils can change size in response to light. Outside on a bright sunny day, your pupils become very small. This lets less light into the eye since there’s plenty available
Answer:
the cerebellum is at the back of the brain it controls the muscle
