According to the video, what do humans need to do to stop climate change https://youtu. be/G4H1N_yXBiA i don’t know if it’s just me but it says nothing about what humans can do

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

The activity of the modern sample is 1.10 bq . how long does that measurement take?

Were you able to observe the nucleolus in any of the cells if so which ones