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Marta_Voda [28]
3 years ago
12

The ancient Egyptians made black eye make-up with which element

Biology
1 answer:
Firdavs [7]3 years ago
5 0

Answer:

The two main forms of eye makeup were grepond eye paint and black kohl. The green eye paint was made of malachite, a copper carbonate pigment, and the black kohl was made from galena, a dark grey ore.

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which of these properties, used alone, would be least useful in identifying most minerals? A color B luster C streak D density
Tomtit [17]

Answer:

A-color

Explanation:

Minerals could have the same color, and you can't depend on color to tell you that.

6 0
3 years ago
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Which of these is a concave lens? Diverging lens where one side is concave and the other convex Lens with both sides convex Lens
maria [59]

Answer:

Explanation:

A convex lens acts a lot like a concave mirror. Both converge parallel rays to a focal point, have positive focal lengths, and form images with similar characteristics. A concave lens acts a lot like a convex mirror.

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3 years ago
Which characteristic of water allows its molecules to form hydrogen bonds?
a_sh-v [17]

Answer:

b. The water molecule is polar.

Explanation:

Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one molecule can form a hydrogen bond with the partial positive charge on the hydrogens of other molecules. Water molecules are also attracted to other polar molecules and to ions.

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3 years ago
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PLEASE PLEASE ANSWER FAST PLEASE
Kisachek [45]

Answer:

The most common myths are:

- C0vid2019 vaccines cause autism  

- C0vid2019 vaccines may modify your DNA

- C0vid2019 vaccines are unsafe

Explanation:

The most common myths associated with C0vid2019 vaccines are:  

1- C0vid2019 vaccines may cause autism: In 1998, Andrew Wakefield and colleagues published a controversial study in the Lancet where they suggested that the measles, mumps, and rubella (MMR) vaccine may cause autism in some children. However, it has been showed that this study was based on erroneous statements and therefore this publication was retracted.

2- C0vid2019 vaccine may modify your DNA: it has been suggested that vaccines based on viral vectors (e.g. adenoviruses) and mRNA vaccines may modify the DNA of cells. This statement is false because these technologies cannot alter the DNA sequence. These vaccines are based on the production of an mRNA sequence that is translated into a viral protein (spike protein) which triggers an immune response

- C0vid2019 vaccines are unsafe: some people believe that C0vid2019 vaccines are unsafe because they were developed quickly. However, this statement is false because all vaccines (including C0vid2019 vaccines) need to follow rigorous safety standards to be approved by governmental agencies (i.e., they approved all clinical trials).

4 0
3 years ago
The largest unit within which gene flow can readily occur is a
notka56 [123]

Answer:

a. population

Explanation:

Gene flow cannot occur in hybrids because 99.9% of the time hybrids offspring are not fertile.

At genus level is not possible either because a hybrid is a cross breed at the genus level (horse-donkey).

A population is a group of species of 1 kind. A population of donkeys.

5 0
3 years ago
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