Well, I dont think they had model numbers back then but I will look on the web for what microscopes where used. I found something but it doesnt say anything about a model of microscope! Here is the fact. <span>The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead </span>cell walls of plant cells (cork) as it appeared under the microscope. This was taken from google, I hope this helps? Here is the link : http://bitesizebio.com/166/history-of-cell-biology/
Answer:
Hand wave
Explanation:
Transverse wave and longitudinal wave are two types of wave. Some of the examples of a wave are Sound wave, Ocean wave, Light wave etc. The disturbance in a medium is called wave.
Here, Theresa comes up with four examples of waves: Sound wave, Ocean wave, Light wave, and Hand wave. But hand wave is not an acutal scientic wave. It is just movement of hands. There is no transfer of energy takes place. Hence, hand wave is not an actual scientific wave.
Answer:
B. It will become larger by taking in nutrients.
Explanation:
Growth is a characteristics of every living thing and is portrayed by an increase in size (height and weight) of such organism. This question depicts an image of a unicellular organism called EUGLENA.
Like every other living organism, for Euglena to grow, it must take in nutrients necessary for its growth. Euglena does this by performing photosynthesis or by absorbing it from their immediate environment. As it grows, it takes in nutrients and uses it for growth, which is evident by its increase in size i.e. gets larger.
Atom is the
most basic unit of matter. They are the general term used to describe pieces of
matter. But a different kind of atom makes up an element. A combination of atom of different elements
creates a molecule. For example, you have water; it has a chemical formula of
H2O. If you separate H from O, you have two atoms. Two atoms for hydrogen and
one atom for oxygen. However, they are of different elements. And when you
combine them to form H2O, you create a molecule.
Answer:
Electromagnet
Explanation:
Magnets are categorized by their source of magnetism. Temporary magnets become magnetized in the presence of a magnetic field.