Mammals and fish are very different, but they have similar organ systems. Which best describes the similarities between these related classes of organisms? Select one:
a. law of superposition
b. spontaneous generation
c. descent with modification
d. homeostasis

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent

What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g

How is the use of hydroelectric power related to the sun