4 years ago

Three kinds of particles that make up most atoms

1 answer:

6 0

Every atom is made up of three kinds of smaller particles, called protons (which are positively charged), neutrons (which have no charge) and electrons (which are negatively charged).

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An earthworm lives and reproduces in the soil. It aerates the soil and adds organic material to it. The earthworm is a source of

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3 years ago

2. Write the molecular formula of following Magnesium Chloride, Sodium chloride, potassium nitrate, hydrogen oxide

inna [77]

Explanation:

Magnesium Chloride : MgCl2

Sodium chloride : NaCl

Potassium nitrate : KNO3

Hydrogen oxide : H2O2.

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3 years ago

Read each of the sentences that describe what happens either during mitosis or meiosis. Drag each sentence into the correct box.

Naddik [55]

Answer:

Explanation:

MEIOSIS:

- Each replicated chromosome pairs with its corresponding homologous chromosome

- Tetrads form and crossing over sometimes occur

- Paired homologous chromosome line up across the center of the cell.

- Four haploid daughter cells form that are not identical to the parent cell

MITOSIS:

- Homologous chromosomes do not pair

- One row of chromosomes line up at the center of the cell.

- The cell nucleus divides only once

- Two diploid daughter cells form that are identical to the parent cell.

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3 years ago

The alleles for hair color in guinea pigs are brown (B) and white (b). Write the possible genotypes for hair color in guinea pig

sleet_krkn [62]

Answer: BB- brown

Bb-brown

bb-white

Explanation:B is dominant. b is recessive

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Offshore wind turbines are more efficient compared to onland wind turbines. Which statement best describes the advantage of usin

Romashka-Z-Leto [24]

The answer is Letter D

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4 years ago

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