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Paraphin [41]
2 years ago
14

How does freezing and thawing break rocks a part

Biology
1 answer:
OLEGan [10]2 years ago
7 0

Answer:

If water gets into a crack in a rock and then freezes, it expands and pushes the crack further apart.

Explanation:

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Please answer the following question with at least 5-6 sentences.
Dafna1 [17]

Answer:

The battle against sexually transmitted illnesses, except for the relatively recent HIV/AIDS, has been one that has been present in humanity almost from its beginning. Infections caused by syphilis, ghonorrea, clamydia, among others, have been a part of humans since sexual activity has been around us. However, since the appearance of antibiotics, and other chemical agents to combat them, the scenario changes for mankind, as now, a diagnosis of such diseases was not basically a death sentence, or, a reason to be socially isolated. Another thing that changed, was the pattern and incidence of transmission, as now, with treatment, the pathogens could be stopped.

However, during the 19th century, with the appearance of medically more advanced technologies, better antibiotic treatments, and other public health measures, many of these STI´s, especially those that were most frequent, like syphilis, were no longer taken as certain death. However, it also became a reason for people to act more rashly and not think about transmission.

But in the 20th century, and especially since the appearance of the most deadly HIV virus, particularly in homosexual populations, things began to look bad for humans again. People died, and the only measure that could be taken as science learned about the pathogen, was isolation of those infected. Just as in the middle ages those infected with plague, were left aside, HIV-infected people became isolated. But during the 20th century, virology, the science that studies viruses and the possible treatments to it, and the adventure of DNA discoveries, led to a huge change. It was seen that there were a series of chemical components, that were able to completely detain, and in some cases eliminate, those viruses and bacteria that caused deadly STIs. But probably one of the biggest advances in the 20th century was the realization of the importance of education of people, campaigns to educate the people about contagion, ways of prevention and possible treatments.

5 0
3 years ago
Tropical rainforests have the greatest biodiversity of any type of land ecosystem how does biodiversity contribute to the sustai
Shtirlitz [24]

Answer:its j all of the above

Explanation: because all of them have great sustainabilty

6 0
2 years ago
a race car driver drives one lap around a track that is 500 meters in length. what is the drivers displacement at the end of the
sleet_krkn [62]

Answer:

0 meters

Explanation:

When we talk about displacement, think that the think of it as the measure of the distance between the starting point of the object, from its end point.

Since we are talking about a lap around a track, it would mean that the starting point is also the end point. So if you started and end at the same point, the distance between it would be 0.

5 0
3 years ago
What moves to opposite poles in Anaphase 1
Katarina [22]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ The homologous chromosomes (sister chromatids) move to opposite poles of the cell. The sister chromatids are pulled to opposite poles by spindle fibers.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

5 0
3 years ago
Kathy has been exercising vigorously for the past half hour. Her body feels sore and she feels pain in her limbs. What could be
Anna007 [38]
Out of the choices given, the reason why Kathy's body feels sore and she has pain in her limbs after vigorously exercising is an accumulation of lactic acid in the muscles of her limbs. The correct answer is A. 
8 0
3 years ago
Read 2 more answers
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