unique propertys of water how is this property explained by the structure of water molecules and the bonds between them

The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus