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kolezko [41]
3 years ago
7

The main source of energy for our planet is/are

Biology
2 answers:
marusya05 [52]3 years ago
6 0
The sun! It's solar radiation heats our planet, gives us light, and sustains life.
larisa [96]3 years ago
5 0
The sun
cus it provides vitamins and solar power
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A small 21 kilogram canoe is floating downriver at a speed of 3 m/s. What is the canoe's kinetic energy?
astraxan [27]
The formula for finding the kinetic energy of an object is:
KE = 0.5MV^2,
Where:
M= Mass
V = Speed
From the information given above,
M = 21 kg
V = 3 m/s
KE = 0.5 * 21 * 9 = 94.5
Therefore, the canoe's kinetic energy is 94.5 J
6 0
3 years ago
In a molecule of water, the electrons are more strongly attracted to the hydrogen nuclei than to the oxygen nucleus. Therefore e
Bess [88]

Answer:

Pretty sure it's false.

3 0
3 years ago
Blank layers of blank make up the cell membrane
sattari [20]

Answer:

Two layers of Lipids make up the cell membrane

Explanation:

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1 year ago
Renewable resources are those that can be synthesized by humans. Please select the best answer from the choices provided T F
quester [9]
No, this is false!

Renewable resources can be syntesized by humans, or not: some of them can, and some can't. This is not what makes them renewable, instead it's the fact that they will still be present in the nature after usage - they will be replaced (the sun will still shine tomorrow even if we harvest its power).
6 0
3 years ago
Read 2 more answers
Prokaroytic and eukarayotic cells
asambeis [7]

Answer:

A prokaryote is a cellular organism that lacks an envelope-enclosed nucleus. The word prokaryote comes from the Greek πρό and κάρυον. In the two-empire system arising from the work of Édouard Chatton, prokaryotes were classified within the empire Prokaryota.Eukaryotic cells are cells that contain a nucleus and organelles, and are enclosed by a plasma membrane. Organisms that have eukaryotic cells include protozoa, fungi, plants and animals. These organisms are grouped into the biological domain Eukaryota.

Explanation:

8 0
2 years ago
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