This substance makes up the majority of your cells, and is necessary for them to carry out most of their chemical reactions. what is it?
a) carbon
b) oxygen
c) sugar
d) water

Over time the trees in african have increased in length. many species have had to adapt to this change in order to survive. which of the following is a structural adaptation that has the african giraffe meet this change? question options: the african giraffe has become a faster at running from its predators. the african giraffe's neck has increased in size over the years. the african giraffe have moved to another part of africa. the african giraffe has not adapted and struggles to survive.

The production of cells during mitosis into specialized function is recombination or differentiation

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.