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melisa1 [442]
3 years ago
9

30 points!!

Biology
2 answers:
Mamont248 [21]3 years ago
8 0

My best explanation is

Some cancer is in blood and tissue and doesn’t form a tumor, such as leukemia. Therefore a usage of “chemotherapy” is needed.

Sorry if this isn’t a good explanation

Varvara68 [4.7K]3 years ago
3 0

Depending on the type of cancer and stage it’s in, that alters many variables in treatment. An example, having a cancerous cyst being removed is more likely to remain healthy, than more complex problems like blood which is why leukemia can be fatal.

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Chemical changes
Dmitry [639]
Chage identity of a substance
6 0
3 years ago
1. What evidence supports the notion that sponges are some of the earliest known multicellular animals?
Serga [27]

<u>Answer:</u> "Chemical fossils"evidence supports the notion that sponges are some of the earliest known multicellular animals.

<u>Explanation:</u>

Sponges are multicellular animals, may belong to Ediacarian period likely to be 80 million years ago or earlier. They catered through a complex system of internal channels, by moving seawater.

Sponges are soft-bodied and very rarely protected as fossils, therefore finding evidence of existence is giant task. The key of their existence came to know from abnormal chemicals which is a steroids of a particular type generated sufficiently by them but virtually never by ordinary organisms.

Analysis of long strata sequence found in Oman and researchers have been able to extract these "chemical fossils" from samples spanning tens of millions of years — before, during and after the Ediacarian period.This gave clear evidence that sponges had to have evolved long before the great variety of multicellular organisms proliferated at the dawn of that time.

8 0
3 years ago
Pria's radio produces 80 useful energy units for every 100 units of electricity used. The efficiency of the radio is _____.
a_sh-v [17]
80%

hope this helps.
my sister is called pria too lol :)
8 0
3 years ago
Read 2 more answers
a star the designation HD 12929 in the constellation Aries is approximately 60 light years from Earth's sun.this star could also
Tems11 [23]

Answer:

The star could also be said to be 360 Million Million miles from the earth's sun.

Explanation:

A light year equals 9.4607 × 10^{12} km.

This is also approximately 6 Million Million Miles.

If we expressed the answer in miles, then we have to multiply 6 by 60.

This is equals to 360.

Therefore, 60 Light years is approximately 360 Million Million miles.

Cheers!

6 0
3 years ago
Science is always changing and never completely proves anything because
Korolek [52]
Most things can't be explained or it hasn't been discovered yet. Science is all about asking questions and figuring out how things are the way they are.
6 0
3 years ago
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