Answer:
water is a covalent compound consisting of hydrogen and oxygen . it contains Single covalent bond
The best answer should be B.
Apparatus in laboratories can be really dangerous, especially the ones which involves electricity.
As a student, he should not just wrap the cord with electric tape, as he might wrap them in a wrong way and possible could hurt himself. So A is not a good answer.
And for C, even though it is a great idea not to use the frayed cord hot plate, but he should also notify the teacher as that hot plate with frayed cord may be passed on and be used for the other students which may pose a risk to them.
And obviously, using the hot plate with frayed cord is super dangerous and he could possibly get electric shock. So D is the incorrect answer.
And it's only left to B, it right to notify the teacher so the teacher can actually either fix it themselves or they wouldn't pass on to other students to use it.
Answer: A is Carbon dioxide while B is sugar (glucose)
Explanation: Durning photosynthesis in green plant the energy from the sun is captured and then convert carbon dioxide water and mineral into oxygen and glucose (energy rich organic compound )
Cell division. Mitosis and meiosis.
Answer:
Danaus plexippus is a scientific name of monarch butterfly. It is also known as simply monarch.
Explanation:
Actually the question is not that much clear. I think u meant this answer..
