Which is the correct scientific notation of the number 0.000681?

When aluminum foil is formed into a loose ball, it can float on water. But when the ball of foil is pounded flat with a hammer, the foil sinks. why?

Write an essay： qualities of the best student

The speed of sound varies depending on many factors including temperature, pressure, and humidity, but it is typically found to be approximately 330 m/s. What is the frequency of a sound wave with a wavelength of 0.1 m?

In the morning, if you walk through a grassy lawn or field, quite often your feet will get very wet. What is the liquid generally called, and how does this happen if it hasn't rained anytime recently?

Who is ready for Track? I am but I really am hating it rn

Identifying the Functions of Parts of the Ear Which part of the ear changes sound to a signal that the brain can understand? Which part of the ear carries the signal to the brain?

Which tool would a scientist use to find the mass of an object?

Who are the launched dog on moon A. mark B. lyca C. mcmc D. seul

The excerpt is from an article that Roberto read for science class called "Using the Scientific Method to Study Tomatoes." The student performed an experiment to test his hypothesis about sunlight and plant height using two plants.

Does coffee contain corn? What other food in cafes are corn? Fun fact: Almost all our food comes from corn. Corn wipe out most farmers, and corn is our mainly food. We eat it everyday.