Which supporting detail might you find in the same article? That people who eat healthy foods live longer
That healthy foods include vegetables and protein
That healthy foods are good for you
that eating is necessary to sustain life

a constant variable, normally called a controlled variable, is the term for a variable that remains constant throughout an experiment, though other variables may change. an example is the water pressure for a faucet when measuring the amount of water released when the faucet is opened to various increments.

"birches" was written by the american poet robert frost. it was included in frost's third collection of poetry mountain interval. it was published in 1916. containing 59 lines, it is one of robert frost's most famous poems. as well as with other poems that deal with country landscape and wildlife, it represents frost as a naturalist writer.

for me, the most memorable literary image that frost uses in his poem is: “like girls on hands and knees that throw their hair before them over their heads to dry in the sun.” in this excerpt the author is comparing the trees to the beautiful image of girls drying their hairs to the sun and one cannot representing the image in our minds. this mental image is so strong due to the vivid description made in earlier lines of the poem where the author depicts the image of the snow set on the trees: “soon the sun's warmth makes them shed crystal shells shattering and avalanching on the snow-crust—such heaps of broken glass to sweep away you'd think the inner dome of heaven had fallen.” by so vividly describing the power that the winter climate has over the tree’s constitution, the author intends to define the magnificence of the birches (this kind of tree) as they withstand the power of the inclement nature. the author presents this image to us understand the very reason for the birches to be bent over, the main characteristic of the trees presented in the poem.