Answer:
Explanation:
Science is a tapestry and when you yank at one thread the whole thing may need to be rewoven but sometimes you have to yank the thread. I think the comparison means that scientists may misinterpret things but at the same time may discover new ways to view the universe.
Vesto Slipher contributions were that he took spectra of the spiral nebulae and discovered galactic redshifts. Slipher discovered that most of the objects were moving away from us at high speeds. As a result of this discovery Hubble correlated Slipher’s measurements with distance. He measured by other means to formulate his law which was that the farther away the galaxy was the Faster it was moving away From us.
Answer:
We have to conserve water because we need it live.
Explanation:
We use water to clean ourselves, drink, and use in foods.
Some isotopes are radioactive, which makes them suitable for medical imaging procedures. Radioactive isotopes have found a wide range of use in medicine. For example, they are used as tracers for diagnostic as well as research on metabolic processes. They are also used in medical imaging procedures, these isotopes include fluorine-18, gallium-67 among many others.
Answer:
subliminal perception.
Explanation:
Subliminal perceptions, also known as subliminal messages, are messages, either visual or auditory, that are presented just beyond the threshold of human perception. A subliminal perception may not be audible enough that the conscious mind might register it but be audible enough for the subconscious mind.
For example it might be an image transmitted briefly and unperceived consciously and yet perceived unconsciously.
Answer:
It is a group designed to not be affected by any variables and to be used as a comparison to the other groups. It helps increase the reliability of your results, as it shows your independent variable is what made something happen in your experiment.
