Valarie was researching environmental effects with respect to reflected radiation. how to measure reflectivity of a surface

Which statement names a chemical property of iron? a: it is dense b: it becomes rusted c: it’s hard to bend d: it has a melting point

What best describes lactic acid fermentation?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables