Which is a chemical change?water boiling
wood burning
glass breaking
ice melting
molding iron

Answers

Answer 1

Answer: Chemical changes are also called chemical reactions; whenthis occurs substances are changed into different substances and itscomposition is completely different from its original state. Wood burning is achemical change or process. When heat is applied on wood through the form offire, the wood transforms into carbon dioxide, water vapor, and ash.

The other examples mentioned in the choices are calledPhysical Changes. This refers to the changes in matter from one phase toanother. Examples are when solids turn into liquids, liquids turn to gas, andgas turns to liquids.

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With the reality of climate change, what are some public health initiatives that could impact human health and wellness? How do you envision this issue being tackled on a global scale?

Answers

Answer: Some recommended public health actions to address climate change include: Conducting vulnerability assessments and expanding monitoring of climate health indicators. Improving access to medical care, mental health support, and public health resources. Targeting preparedness measures toward high-risk populations.

The Flynn effect is thought to be caused by all of the following except __________.A.
schools spending more money per pupil
B.
a reduction in the prevalence of child malnutrition
C.
increased access to school
D.
advances in technology, especially in multimedia

Answers

The correct answer for the question that is being presented above is this one: "A. schools spending more money per pupil." The Flynn effect is thought to be caused by all of the following except schools spending more money per pupil. The “Flynn effect” refers to the observed rise in IQ scores over time.

Answer:

The correct answer is option A.

Explanation:

The Flynn defect is a significant and long-sustained improvement in both crystallized and fluid intelligence or IQ test that was assessed in many parts of the world during that time of period.

The Flynn effect is a positive change in the population that arises due to various reasons such as increased access to more children, reduction in the prevalence of malnutrition in children, and advanced in technology.

Thus, the correct answer is option A.

This hormone which prepares the body for quick action.a. endocrine.
b. epinephrine.
c. testosterone.
d. aldosterone.

Answers

Answer:

The answer is B. Epinephrine.

Explanation:

Epinephrine is also known as adrenaline and is a hormone and a neurotransmitter that increases heart rate, constricts blood vessels, dilates the airways, and participates in the fight or flight reaction of the sympathetic nervous system. Epinephrine is the hormone in situations where we have to be alert and activated, as it predisposes us to react quickly and prepares us to get the most out of our muscles when it is necessary to move with a certain speed. Epinephrine is produced by our body in the adrenal glands that are located above the kidneys.

B. Epinephrine. That's what gives ya an adrenaline rush.

Which of the following correctly lists structures in a muscle from largest to smallest?A. actin, myosin, sarcomeres.
B. fascicles, myofibrils, myosin.
C. myofibrils, fascicles, actin.
D. sarcomeres, myofibrils, actin

Answers

C.myofibrils,fascicles,myosin

True or FalseRegular physical activity has resulted in fewer episodes of wheezing and other symptoms among persons with asthma.

Answers

This is true. Being physically active has many positive effects; a decrease in wheezing and other symptoms in people who suffer from asthma, is also something one might expect, at least based on studies which have come out in the past.

When newborn baby Yasmin's cheek is stroked, she turns her head in the direction of the stimulus. Which reflex is Yasmin demonstrating?