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Zielflug [23.3K]
4 years ago
10

Jermaine used 12 newtons of force to push a box 4 meters down the driveway. How much work, measured in joules (J), did he do to

move the box?
a 3 J
b 8 J
c 16 J
d 48 J
Biology
1 answer:
rodikova [14]4 years ago
6 0
48 because the formula for work is w=f•d so when you plug f and d in its 12 times 4, giving you 48.
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The spine normally has several gentle curves when viewed from the side. These curves of the spine work in harmony to keep the bo
Anon25 [30]

A) Discuss deformities of the spine curvature, types and how they affect the body position.

A normal spine when viewed from the back should run straight down the middle of the back.

Deviation from the normal,when an abnormality of the spine sets in, this natural curvature of the spine gets misaligned or exaggerated in some areas.

There are three (3) main types of spine curvature disorders/deformities which are;

LORDOSIS; Lordosis is also known as Swayback, when someone presents with Lordosis,the spine of the Individual curves/sways significantly inward at the lower back.

Lordosis affects posture through the following ways;

-Appearance of swayback, and the buttocks being/appearing more pronounced.

-Problem with moving certain ways.

- There is a large gap between the person's lower back and the floor when the person lies down on the back especially on a hard surface and this does not change when the person bends forward.

KYPHOSIS; KYPHOSIS yet another spine curvature deformity is characterised by a spine that assumed an abnormally rounded upper back.( This curvature is more then 50 degrees). KYPHOSIS affects posture through the following ways;

-There is obvious bending forward of the head compared to the rest of the body.

-There is also a hump or curve to the upper back of the Individual.

SCOLIOSIS; In Scoliosis, another deformity of the spine curvature.

The Individual that presents with scoliosis have a curve that is sideways and goes to their spine. In scoliosis,the curve is often C shaped or S shaped.

In Scoliosis,there are;

- An uneven shoulder blades with one being higher than the other.

- There is also an uneven waist or hip.

- The Individual leans toward one side.

B) Define some of the surgical procedures that can correct these deficites.

SPINE INSTRUMENTATIONS; This involves using instruments like rods,wire and hooks to attach to the spine inorder to realign the bones of the spine and keep the bones secure.This surgery often follows a spinal fusion.

ARTIFICIAL DISC REPLACEMENT; This is when degenerated discs of the spine are surgically replaced with artificial discs.

KYPHOPLASTY; This involves surgically inserting or placing a balloon inside the affected spine area inorder to stabilize and strengthen it and also to relieve pain.

3 0
4 years ago
Question 10
dem82 [27]
Answer is a for many reasons
3 0
3 years ago
Imagine you are a plant breeder. Friends sent you two different varieties of a snapdragon flower; each have golden leaves rather
Neporo4naja [7]

Answer:

Complementation.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

A trait refers to the specific features or characteristics possessed by a living organism. It is essentially transferred from the parent of a living organism to her offspring and as such distinguishes him or her. Some examples of traits in genetics are colorblindness, handedness, curly hair, height, complexion, weight, hair color, dimples, tongue-roll, etc.

Artificial selection is also known as selective breeding and it is a process that involves humans (breeders) selecting the animal or plant with desirable traits in order to reproduce favorable offspring having phenotypic traits.

Complementation can be defined as a relationship between two strains of a living organism both having distinct homo-zygous recessive mutations and results in the expression of a wild-type phenotype when crossed or mated.

In this scenario, there are two different varieties of a snapdragon flower having golden leaves rather than green leaves. Thus, crossing two different varieties of golden snapdragons would produce offsprings that have green leaves.

Hence, the above breeding is an example of complementation.

8 0
3 years ago
Urbanization has led to the displacement of animals such as panthers from their original habitat, the forest. What could be the
I am Lyosha [343]
Deforestation. The animals forest that they once lived in are bein cut down.
4 0
4 years ago
In mitochondria, chemiosmosis moves protons from the intermembrane space into the matrix, whereas in chloroplasts, chemiosmosis
Ksju [112]

Answer:

The correct answer is "Thylakoid Membrane".

Explanation:

Photosynthesis results in free electrons due to the energy from sunlight so there is also photon movement. In plants this happens in the chloroplasts. Chemiosmosis defines the movement of ions (hydrogen ions H+) which happens towards the thylakoid membrane from the stroma. I hope this answer helps.

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4 years ago
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