If you roll a 20-sided die, and each number, 1-20, appears once, what is the probability of rolling the number 13?

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.

Cells control gene expression at which steps

We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources