Answer:
Me please. Please make me brainlyest
Explanation:
Answer:
don't know exactly ..............
Bl4 bsl requires the use of a supply line respirator or all work within a sealed totally enclosed glove box.
A set of biocontainment measures called a biosafety level (BSL), also known as a pathogen/protection level, is needed to isolate harmful biological agents in a lab setting. From the lowest biosafety level 1 (BSL-1) to the highest level 4, there are several levels of confinement (BSL-4). The Centers for Disease Control and Prevention (CDC) in the US have established these standards. The same biosafety levels are established by a directive in the European Union.
Learn more about Bsl here:
brainly.com/question/13551898
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45x+180=900
Where x is the number of weeks
45x+180-180=900-180
45x=720
X=16
It will take 16 more weeks to save the rest of the money.
Use less plastic, recycle, reuse, clean water
