Exposure to secondhand smokes carries the same long-term health risk as smoking

Biology

2 answers:

Tatiana [17]3 years ago

4 0

Answer:

yes true smoken is realy bad for the longs

Explanation:

skelet666 [1.2K]3 years ago

3 0

Yes, that is true. A lot of people have been exposed to cancer due to secondhand smoking.

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Certain foraminifera (shelled protozoa) have inconsistent fossil records. Which mode of evolution do they represent?

Savatey [412]

The answer is punctuated equilibrium

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3 years ago

Which animal undergoes external fertilization?

zhannawk [14.2K]

Answer:

Among vertebrates, external fertilization is most common in amphibians and fish. Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes. Benthic marine plants also use external fertilization to reproduce.

= Fish

Explanation:

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3 years ago

HELP!! Rank the following forms of water from most common (1) to least common (4) on Earth.

uranmaximum [27]

ocean and seas
river and lakes
glacier
ground water.

d\b\c\a

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2 years ago

Drag the correct word from the left into the sentence on the right to complete each sentence. In anabolic reactions that involve

kkurt [141]

Answer:

The correct matches are:

In anabolic reactions that involve the synthesis of a large molecule from smaller precursor molecules, NADH and ATP are consumed when they provide the needed electrons or energy.
In catabolic reactions that involve the breakdown of a molecule into smaller subunits, such as glucose to pyruvate, NADH and ATP are produced.
In the reaction Pyruvate +NADH-Lactate +NAD, pyruvate is being reduced.
In the reaction Pyruvate NADH-Lactate +NAD, NADH is being oxidized.

Explanation:

Being involved in synthesis, anabolic reactions require energy in the form of energy storing molecules such as NADH and ATP. Anabolic processes utilize energy produced by the catabolism of complex compounds.
Catabolic processes produce energy or energy storing compounds by breaking down complex substances into simpler ones. All steps of cellular respiration are catabolic processes since they generate energy in the form of ATP or energy yielding molecules such as NADH and FADH2.
Anaerobic respiration takes place during intense physical activity due to which adequate oxygen does not reach the cells. Insufficient oxygen shuttles the pyruvate molecules produced by glycolysis into the lactic acid pathway that reduces pyruvate into lactic acid.
Since, NADH is donating its H+, it is being oxidized to NAD+.

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3 years ago

Someone answer I will mark you as brainliest if correct

mixer [17]

I think they're set in a vertical motion. Up to the crest and down towards the trough. Something about kinetic energy

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3 years ago