I don’t understand how we can see the sky and clouds and when your outer space you don’t see the sky or clouds you only see the ocean and the land?

Wht happens as electrons in the electron transport chain release their energy

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism