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Ber [7]
3 years ago
14

What is a hypotesis ?

Biology
2 answers:
Ahat [919]3 years ago
6 0

Answer:

a hypothesis is a proposition made for basing without any evidence or truth.

example

my hypothesis is that she will win the race.

PIT_PIT [208]3 years ago
3 0

Answer:

A hypothesis is an educated guess or a guess you make based on the information you already know.

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What are the two major groups that compose the digestive system?
sp2606 [1]

Answer:

Alimentary tract and accessory organs

Explanation:

Regions of the digestive system can be divided into two main parts: the alimentary tract and accessory organs. The alimentary tract of the digestive system is composed of the mouth, pharynx, esophagus, stomach, small and large intestines, rectum and anus. According to

Regions of the Digestive System - SEER Training

8 0
4 years ago
What is made up of usable amounts metallic elements?
mixas84 [53]
<span>A metal, an element, compound, or alloy) that is typically hard, opaque, shiny, and has good electrical and thermal conductivity.</span>
7 0
3 years ago
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Explain the law of motion needed to solve this problem and then solve it. On Planet Zorg, a 30 kg barbell can be lifted by only
vladimir2022 [97]
Law of Motion says that every object that moves uniformly tends to stay in that state unless a force is applied to it. Force is equal to the mass of that object multiplied by its acceleration:
F = m × a 
The unit of force is N = kg * m/s².

Q1: T<span>he acceleration of gravity on Planet Zorg is unknown:
a = ?

</span>We know:
F = 180 N
<span>m = 30 kg
</span><span>
Since F = m </span>× a, then:
a = F/m
a = 180 N/30kg
a = 180 kg*m/s² / 30 kg
a = 6 m/s².
So, the acceleration of gravity on Planet Zorg is <span>6 m/s².

Q2: Force needed to change the motion of the object on the Earth is unknown:
F = ?

We know:
a = 9.8 </span><span>m/s²
m = 30 kg

If F = m </span>× a, then:
F = 30 kg × 9.8 m/s²
F = 294 N
So, f<span>orce needed to change the motion of the object on the Earth is 294 N.</span>
7 0
3 years ago
Explain the role of liver in digestion​
Natali5045456 [20]

Explanation:

The liver does many important things including: Makes bile, which helps carry away waste and break down fats in the small intestine during digestion. Makes certain proteins for blood plasma. Makes cholesterol and special proteins to help carry fats through the body.

4 0
4 years ago
All of the information your brain receives __________.
dangina [55]
<h3><u>Answer;</u></h3>

Instantly transmitted

All of the information your brain receives is <em><u>instantly transmitted</u></em>.

<h3><u>Explanation;</u></h3>
  • <em><u>Brain is the part of the central nervous system</u></em> together with the spinal cord.
  • <em><u>Brain receives from sensory neurons, which carry stimulus, which are the changes in the environment, from the receptors for processing and interpretation.</u></em>
  • <em><u>Brain inter-prates and process information it has received instantly and sends a response via the motor neurons, which carries the responses to the effector cells such as glands and muscles which trigger various actions.</u></em>
5 0
3 years ago
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