True. Kurtosis is used to measure how pointed the curve is. A <span>tall, thin curve is described as being leptokurtic. A short, flat curve is platykurtic. A normal curve is said to be mesokurtic.</span>
Answer:
It is "The opening of flask is pointed in an unsafe direction"
Explanation:
The students were there in the lab to perform practical without obeying the safety rules. The most reasonable basis for teacher's warning here, in this case, is the flask which is pointed in an unsafe direction. It is not specified whether the flask is containing any chemical or not but even if it is empty, it might just fall and break and create injury to anyone present in the lab because, the students are also not wearing proper laboratory wear in accordance to the safety rules which include lab coats, gloves, eyewear, etc. Also, some Students have not tied their hair and more importantly the flasks carrying liquids are not labeled. All of these things might end up in a critical situation for which the teacher warned students about it all.
Explanation:
when those components become excessive, they become harmful
Answer: option c and d is right
Explanation:
This distinct features can be seen on venus, Saturn but all planets have it's signatory color as seen by astronomers.