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hypothesis=In science, a hypothesis is an idea or explanation that you then test through study and experimentation. Outside science, a theory or guess can also be called a hypothesis. A hypothesis is something more than a wild guess but less than a well-established theory. ... Anyone who uses the word hypothesis is making a guess.

experiment=An experiment is a procedure carried out to support, refute, or validate a hypothesis. ... Uses of experiments vary considerably between the natural and human sciences. Experiments typically include controls, which are designed to minimize the effects of variables other than the single independent variable.

observation=an act or instance of viewing or noting a fact or occurrence for some scientific or other special purpose: the observation of blood pressure under stress. the information or record secured by such an act. something that is learned in the course of observing things: My observation is that such clouds mean a storm.

evidence=noun. that which tends to prove or disprove something; ground for belief; proof. ... data presented to a court or jury in proof of the facts in issue and which may include the testimony of witnesses, records, documents, or objects.

4 benefits to liquid ink are

Ballpoint. Ink Base: Oil. Pigment or Dye: Pigment. Ink Properties: ...

Drawing (Dip Pen) Ink Base: Water. Pigment or Dye: Dye. Ink Properties: ...

Fountain. Ink Base: Water. Pigment or Dye: Dye. ...

Rollerball. Ink Base: Water. Pigment or Dye: Both. ...

Gel. Ink Base: Water. Pigment or Dye: Pigment.

answer; ///the above statement is (true);