After nuclear explosions animals and humans can continue to die due to

After nuclear explosions animals and humans can continue to die due to ingestion of radioactive particles and nuclear ______________.

2 months ago

Solution 1

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2 months ago
Radioactive particles and nuclear cells

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Question
Which of the following statements is false about the distances between planets earth and the sun
Solution 1

Answer;

The distance from the sun to Neptune is about the same as the distance from Neptune to the next closest star, Proxima Centauri

Explanation;

When a planet like earth is closer to the sun the heat of the sunlight warms the surface of the planet hence,a planet like Neptune is far away from sun, the sunlight can't reach the planet and it's surface becomes cold so,the distance of the sun and planet is the main factor effecting the temperature.

Solution 2
The distance from the sun to Neptune is about the same as the distance from Neptune to the next closest star, Proxima Centauri
Question
What is a Punnett square for a dragon
Solution 1
Dragon Genetics and the Punnet Square.Dragon Genetics showing how the manipulation of alleles changed the dragon phenotype. Punnett square showing the traits of the fruitfly. Genetics is the study of biologicial  in heritance.
Solution 2
A Punnett square is a diagram that is used to predict an outcome of a particular cross or breeding experiment. The diagram is used by biologists to determine the probability of an offspring having a particular genotype.
Question
People watching their team lose important games often make faces, yell at the screen, and demonstrate general agitation. Although they aren't playing the game themselves, they may be able to experience the frustration felt by the players because of ________________ activity in the brain
Solution 1
The premotor cortex of the brain is responsible for this type of behavior.  Mirror neurons are activated during these times. The mirror neuron situated in the premotor cortex copies the behaviors or feelings observed, therefore, people watching exhibit the same behavior and feelings as the player itself when they lose a game.
Question
64) Compare skeletal, smooth, and cardiac muscles as to their body location, microscopic anatomy, regulation of contraction, speed of contraction, and rhythmicity. 65) What is the effect of aging on skeletal muscles? 66) Discuss the role of the myosin heads in sliding filament theory.
Solution 1
The answers are as follows:
64. SKELETAL MUSCLES
Body location: it is usually attached to the bone or to the skin.
Microscopic anatomy: it is made up of very long, cylindrical multinucleated cells which are striated.
Regulation of contraction: the nervous system controls the voluntary contraction of the skeletal muscles.
Speed of contraction: the speed of contraction ranges from slow to fast.
Rhythmicity: the skeletal muscle is arrhythmic.
SMOOTH MUSCLES
Body location: found in the wall of hollow visceral organs [not including those of the heart].
Microscopic anatomy: made up of single fusiform, uninucleated cells that are without striation.
Regulation of contraction: smooth muscles undergo involuntary contractions which are controlled by the nervous system and hormones.
Speed of contraction: very slow. it is the slowest of the three muscles.
Rhythmicity: rhythmic.
CARDIAC MUSCLES
Body location: located in the wall of the heart.
Microscopic anatomy: it is composed of branching chains of cells, that are uninucleated; they are striated and posses intercalated discs.
Regulation of contraction: Undergo involuntary contractions, which are controlled by nervous system, heart pacemarker and hormones.
Speed of contraction: slow.
Rhythmicity: rhythmic.

65. Aging brings about gradual loss in muscle functions. As one grows older, there are usually age related alterations in the skeletal muscle functions. The factors that affect the rate of muscle loss are sex and level of muscle activity. Loss of muscle mass also occurs as one grows older.

66. The sliding filament theory states that, during contraction the thin filaments slide past the thick filaments and the sacomere shortens.
During contraction, the myosin head attaches to the myosin binding site on the actin filament. Using energy from ATP, the myosin head move toward the center of the sacomere, attaching and detaching several times. As a result of this, the thin actin filament is pulled toward the center of the sacomere. This leads to the shorten of the muscle cells.
Question
Primary action of the deltoid- 61) Primary action of the adductor muscles 62) Primary action of the erector spinae 63) Primary action of the rectus abdomini OPTIONs A) pronation B) rotation C) dorsiflexion D) flexion E) adduction F) circumduction G) abduction H) supination I) extension
Solution 1
The answers are as follows:
61. Deltoid muscle is the muscle that is located at the rounded contour of the shoulder. The muscle is made up of three different type of fibers, which are anterior, middle and posterior fibers. The anterior deltoid connects the collar bone to the humerus.
The primary function of the anterior fibers is flexion and medial rotation of the arm. The primary function of the middle fibers is abduction of arm and the primary function of the posterior fiber is the extension and lateral rotation of the arm. 

62. Adductor muscles are muscles that draw a part of the body towards its median line or towards the axis of an extremity. These muscles can be found in the thigh, foot and hand. The abductor muscles is made up of the following muscles:
a. Adductor brevis: its primary function is the adduction of thigh at the hip joint. It also assist in flexion and medial rotation of the femur at the hip joint.
b. Adductor longus: its primary function is the adduction of thigh at the hip joint. It assist also in flexion and medial rotation of the femur at the hip joint.
c. Adductor magnus: its primary function is the adduction of the thigh. It assists in lateral rotation of the thigh.
d. Gracillis muscle: its primary function is adduction of the thigh. It also assists in flexion of the knee and medial rotation of the flexed knee.
e. Pectineus muscle: Primary function is adduction of thigh. Assists in flexion of thigh.

63. Erector spinae muscles are bundles of paired muscles and tendons which extend through the thoracic, lumbar and the cervical region. These muscles are divided into three groups, which are:
a. Spinallis muscles: primary function is the extension of the head. Also rotate the head.
b. Longissimmus muscles: primary function is extension of the spine. Assist in lateral flexion of the spine.
c. Lliocostalis muscles: primary function is extension of the spine. Assist in lateral flexion of the spine.

64. Rectus abdomini is the paired muscle, which runs vertically on each side of the anterior wall of human abdomen. The muscle is made up of two parralle muscles which are separated by connective tissues. The primary function of the muscle is flexion of the vertebra column. Assists in compression of abdominal wall. 
Question
HELP PLEASE? :( Which pair of atoms will form an ionic compound? A) One atom of oxygen and two atoms of fluorine B) One atom of calcium and two atoms of chlorine C) One atom of nitrogen and three atoms of fluorine D) Two atoms of nitrogen and four atoms of oxygen
Solution 1

The pair of atoms that will form an ionic compound is "One atom of calcium and two atoms of chlorine.". The correct option is B.

What is an ionic compound?

In an ionic compound, one atom gives up one or more electrons to another atom, resulting in positively charged cations and negatively charged anions that are attracted to each other due to electrostatic forces.

Here in the question

In option B, calcium (Ca) has two valence electrons, while chlorine (Cl) has seven valence electrons. To obtain a stable octet configuration, calcium will lose two electrons to form a Ca2+ cation, and two chlorine atoms will each gain one electron to form Cl- anions. The resulting compound, CaCl2, is an ionic compound with a crystal lattice structure held together by electrostatic forces between the oppositely charged ions.

Option A involves two non-metals, and they typically form covalent compounds, not ionic compounds.

Option C is similar to option A and also involves two non-metals, which typically form covalent compounds.

Option D involves two non-metals, and although the atoms can bond covalently, the compound formed would be a polar molecule, not an ionic compound.

Therefore, The correct option is B i. e One atom of calcium and two atoms of chlorine which forms an ionic compound.

To know more about covalent bonds click:

brainly.com/question/12773038

#SPJ2

Solution 2
Choice A, C, and D forms covalent bonds. Choice B is the only one hat has an ionic bond, making it the answer. I hope this helps.
Question
Please help me : ( Which pair of atoms will form an ionic compound? A) One atom of oxygen and two atoms of fluorine B) One atom of calcium and two atoms of chlorine C) One atom of nitrogen and three atoms of fluorine D) Two atoms of nitrogen and four atoms of oxygen
Solution 1
The correct answer is B) One atom of calcium and two atoms of chlorine. I just had the same question on my 9th grade science test today. I hope I didn't give the answer to you too late and I hope it helps you out
Question
If HST has a tangential speed of 7,750 m/s, how long is HST’s orbital period? The radius of Earth is 6.38 × 106 m. s
Solution 1
 the orbital period is 5170 s
Question
Why does friction cause transfer of charges
Solution 1
 During a charging by the friction process, the material that becomes negatively charged does so because it simply likes electrons more than the material with which it is rubbed.
Solution 2
Think about how friction functions when a car is trying to make a turn if the car is moving sufficiently slowly, then static friction between the car tire and the road cause's acceleration hope this helps 
Question
if a 10kg object is lifted a distance of 10m from the rest what was the final velocity of the object?
Solution 1
I think it will be 100 kg