How many earthquakes occur in the world each year?

It is estimated several million every year - it's impossible to count exactly because many will go unnoticed - they may be very small or happen in remote areas.

source https://www.google.co.uk/url?q=https://ds.iris.edu/ds/nodes/dmc/kb/questions/1/is-the-number-of-earthquakes-increasing/&sa=U&ved=0ahUKEwioxafr7YrUAhUiKsAKHXV9CosQFggXMAQ&usg=AFQjCNF6uKnsRqkmOkKYxE3WbwIAptWGUA

Ifound this on google “concept 13: meiosis ii: telophase ii. a nuclear envelope forms around each set of chromosomes and cytokinesis occurs, producing four daughter cells, each with a haploid set of chromosomes. a nuclear envelope forms around each set of chromosomes.” i hope this you for what your looking for.