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Blababa [14]
3 years ago
7

Mike is doing a project for science class. He is making an analogy of a cell and relating it to the structure and function of a

city. He is looking for a building to represent the mitochondria. Which building in a city has a similar function and would best represent the role of the mitochondria in the cell?
Physics
1 answer:
marin [14]3 years ago
6 0

Answer: Mitochondria are organelles that make energy for a cell; they are inherited from ... In this chapter, we will look at the structure and function of the eukaryotic cell. ... to functions of a city to emphasize that all parts are needed. ... We begin by looking at ... cell, as he peered through a primitive microscope of his own construction.

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Electrons have _______ charge.
Nikolay [14]

Answer:Electrons have negative charge.

Explanation:Electrons are designated to be the carriers of negative charge. The assignment of negative and positive to electrons and protons respectively can be attributed to Benjamin Franklin. He could have easily reversed this designation. Like all charged particles, negative charges create electric fields around them.

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4 years ago
when water boils, it becomes steam .its particles spread out and occupy a greater volume. has its density increased or decreased
Deffense [45]
The density has decreased
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A substance burns in the presence of oxygen.
valina [46]
If I don’t know a answer I put C bc it is a 50/50 chance but it might be wrong
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How do i find the number of leptons in an atom??
Serjik [45]

Answer:

In particle physics, a lepton is an elementary particle of half-integer spin (spin 1⁄2) that does not undergo strong interactions.[1] Two main classes of leptons exist: charged leptons (also known as the electron-like leptons or muons), and neutral leptons (better known as neutrinos). Charged leptons can combine with other particles to form various composite particles such as atoms and positronium, while neutrinos rarely interact with anything, and are consequently rarely observed. The best known of all leptons is the electron.

8 0
3 years ago
The acceleration of gravity on the moon is about 1.6 m/sec 2. An experiment to test gravity compares the time it takes objects t
Valentin [98]
The answer is <span>b. 6.1 times as long
</span>
Step 1: Calculate the time <span>it takes objects to reach a speed on the Moon.
</span>Step 2: Calculate the time it takes objects to reach a speed on the Earth.
Step 3. Divide the time on the Moon by the time on the Earth.

Use the formula: v2 = v1 + at
v2 - the final velocity
v1 - the initial velocity
a - gravitational acceleration
t - time

Step 1.
Moon:
<span>v1 = 0 (because it is free fall)
v2 = 10 m/s
a = 1.6 m/s</span>²
t = ?
______
v2 = v1 + at
10 = 0 + 1.6t
10 = 1.6t
t = 10/1.6
t = 6.25 s


Step 2.
Earth:
v1 = 0 (because it is free fall)
v2 = 10 m/s
a = 9.81 m/s²
t = ?
______
v2 = v1 + at
10 = 0 + 9.81t
10 = 9.81t
t = 10/9.81
t = 1.02 s


Step 3:
6.25 s / 1.02 s = 6.1 s
7 0
3 years ago
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