PLEASE HELP ME!!!!
IT IS FOR BIOLOGY!!!

Answer:

The correct answer is - increase: constriction of the arterioles.

Explanation:

When the physical activity is decreased by the tissues of the muscle, the oxygen concentration in the tissue increases which leads to the constriction of the arterioles.

It takes place in order to decrease blood flow and blood pressure as oxygen requirement is less in the tissue in decreased physical metabolic activity. The constriction of arterioles results in more resistance to decrease the blood flow in capillaries.

Answer:

arteries

Explanation:

goes back through veins

Answer:

blood leaves the heart to go to the rest of the body through the aorta which is the main Artery carrying oxygenated blood

Answer:

True

Explanation:

Answer:

False.

Gaseous matter is non-visible, solid and liquids are visible--already making them different. All matters (including the 4th matter) have different chemical and physical properties.

Answer:

NIGERIA

AFGHANISTAN

CHAD

TIMOR-LESTE

MADAGASCAR

Explanation:

Answer:

NaF

Explanation:

NaF is an ionic compound because Na gives an electron to F, causing it to become Na+ and F to become F-

Answer:

The last one

Explanation:

Flashlight is a portable, battery-operated device that makes light.

A flashlight is a portable, battery operated device that makes light is the best short summary for a flashlight.

A flashlight or torch is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes since the mid-2000s.

The three main features for a flashlight are Dimensions, Battery, and Light. Each of these characteristics are very important when it comes to selecting a flashlight.

Flashlights are used as a light source outdoors, in places without permanently installed lighting, during power outages, or when a portable light source is needed.

Learn more about flashlight:

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Answer:

Bacterial resistance arises through the simple process of natural selection. Bacteria divide rapidly, but DNA replication is imperfect. In the presence of antibiotics, while most bacteria are killed, a small number of resistant mutants may survive and take over.

Explanation:

Answer:

Basal Ganglia

Explanation:

The Basal ganglia function is to regulate the voluntary movements or autonomic movement. This is done by receiving and transmission of impulses. Impulses are received for upcoming movement from the cerebral cortex and then process and adjust from where it is convey to the thalamus which then relays this information back to the cortex. The well defined movement instruction is finally sent to the skeletal muscles through the tracts of the pyramidal motor system. It also function in planning and modulation of movement, memory and eye movement.

There are five types of basal ganglia corpus striatum, claustrum, amygdala, substantia nigra and subthalamic sails which all function together.

Answer:

unicellular...lemme know if am right

Answer:

The new regulation  will help reduce the amount of green house gases available in the atmosphere thereby saving our environment from the Green house effect

Explanation:

Chlorofluorocarbons are examples of greenhouse gases which contribute to the Green house effect been experienced in our environment, by destroying the earths' Ozone layer

If the Government sets a new regulation that prohibit its use in sprays and refrigerants it will help reduce the amount of green house gases available in the atmosphere thereby saving our environment from the Green house effect

Answer:

that act will  help the sustainability of out environment because : C. It will slow down the degradation of the ozone layer

The usage of CFC will crate chlorine atoms that catalyze ozone degradation. By prohibiting this product, Government will slow down Ozone's degradation

hope this helps

Answer:

Sea otters, because of their eating habits, are considered a “keystone predator,” predators that keep the ecosystem balanced. ... When not enough otters are around to eat the sea urchins, the urchin colonies grow unchecked and “urchin barrens” increase.

Explanation:

Answer:

Evolution occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift. This occurs because organisms with advantageous traits pass on more copies of these heritable traits to the next generation

Explanation:

If not then sorry I tried my best to help out.

GOOD LUCK!!!!

Answer:

c? if u stand infront a light and spin, the opposite side to the light would be dark?

Answer:

Protein: a compound made of amino acids. Each amino acid is made of carbon, hydrogen, oxygen, and nitrogen. Most proteins also include sulfur.

Which means the only choice left is helium

i hope this is the answer you are looking for

Answer: Learned behaviors are modified by previous experiences; examples of simple learned behaviors include habituation and imprinting.

Examples of this include a dog shaking after it gets wet, a sea turtle seeking out the ocean after hatching, or a bird migrating before the winter season. In humans, many reflexes are examples of instinctive behaviors.

Explanation:

Answer:

Hello There!!

Explanation:

An example for instinctive behaviour is nest building in birds and for learned behaviour an example can be playing an instrument.

hope this helps,have a great day!!

~Pinky~

Answer:

A

Explanation:

Because you would have to have a high mobility to get food and take of without being hit.

Answer:

please give me brainlist and follow

Explanation:

Following fertilization the embryonic stage of development continues until the end of the 10th week (gestational age) (8th week fertilization age). The first two weeks from fertilization is also referred to as the germinal stage or preembryonic stage.

Answer:

Embryo

Explanation:

When its organ systems start to develop, it's called the embryonic period. Hence, the correct term will be embryo.

hope this helps and is right. p.s i really need brainliest :)

if my answer is wrong then I am incredibly sorry!

Answer:

1 An increase

2 A drop

Explanation:

The statements which are true about constellations are as follows:

Thus, the correct options for this question are A, B, and D.

Constellations may be defined as clusters of stars that form a recognizable pattern and were imagined in order to construct noticeable and apparent configurations of objects or creatures in the sky, especially at night.

These groups of stars are also present in the day but they are not perceived due to the extremely high light of the sun. So, they form patterns in the night sky. These groups of stars are not specifically present as they are distributed randomly and can form new images.

Therefore, the correct options for this question are A, B, and D.

To learn more about Constellations, refer to the link:

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Answer: True

Explanation:

Answer:

B. Bulimia

Explanation:

See below for a description of each case:

Anorexia (also known as Anorexia nervosa) is an eating disorder characterized by abnormally low body weight. It's similar to the starving of oneself to achieve lower weight, but this is unhealthy. It's very common (more than 3 million cases per year in US) and is treatable. This can last for several months or years and is more common in females from ages 18–35.

Some symptoms include:

Extreme weight loss

Thin appearance  

Fatigue and insomnia  

Bluish discoloration of the fingers

Hair that thins, breaks or falls out  

Amenorrhea (absence of menstruation)  

Dry or yellowish skin  

Dehydration

Bulimia (also known as Bulimia nervosa) is an eating disorder characterized by binge eating, followed by methods to avoid weight gain (ie. vomiting). It's very common (more than 3 million cases per year in US) and is treatable.  It can last several years or be lifelong and are more common in females from ages 18–35.

Some symptoms include:

Binge eating

Forceful vomiting

Long-term fear of gaining weight  

Overuse of laxatives or diuretics

Use of supplements or herbs for weight loss

Excessive exercises

Stained teeth (from stomach acid)

Obesity is a condition characterized by abnormal or excessive fat accumulation. It's extremely common (more than 3 million cases per year in US) but is treatable. It can last several years or be lifelong. Family history may increase likelihood for some types.

Some symptoms include:

Above average body weight  

Sleep apnea- a condition in which breathing is irregular and periodically stops during sleep  

Skin problems caused by moisture that accumulates in the folds of your skin  

Osteoarthritis in weight-bearing joints, especially the knees

Parkinson's disease is a chronic and progressive movement disorder, meaning it weakens the control of movements of the body over time. It's fairly common (more than 200,000 cases per year in US). There are treatments to manage the condition but there is no known cure. This can last several years or be lifelong. It's more common in 60+ years old males.

Some symptoms include:

Tremors, trembling of hands, arms, legs, jaw and face

Stiffness of the arms, legs and trunk

Slowness of movement

Poor balance and coordination

Speech difficulty

Answer:

convection currents

Explanation:

continental drift is a result of earth's moving plates. so it's convection currents