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3 years ago

4.which is a product of the process shown above?

Chemistry

1 answer:

ICE Princess25 [194]3 years ago

3 0

Answer:

4. b 5.C

Explanation:

Photosynthesis makes sugar for plants and sunlight is the energy used to convert CO2 and water into glucose

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Luisa has two older brothers and a younger sister. She had been learning about how to describe the ages of rocks. After thinking

11Alexandr11 [23.1K]

Answer:

c. relative age

Explanation:

Relative age is a method of describing the age of rocks based on their order of appearance in the geologic column.

Events are denoted by their position in the column.

The premise of most of the assumptions used relative age determination is based on stratigraphic laws.
Absolute age gives numeric ages to rocks.

Since Luisa is comparing the age of people based on their position in her family, she is using the concept of relative dating.

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3 years ago

What happens when you mix baking powder baking soda and hydrogen peroxide together?

katen-ka-za [31]

Its just like backing soda and viniger i think hope that helped

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3 years ago

How does the uneven hearing of earth cause convection currents to form? PLEASE ANSWER:)

igor_vitrenko [27]

Answer:

Because of the tilt of Earth on its axis, Earth's surface and atmosphere are unevenly heated by the Sun. Convection currents form in the atmosphere as warmer air rises and cooler air sinks.

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3 years ago

Read 2 more answers

A diploid somatic ("body") cell has 2n = 20 chromosomes. At the end of mitosis, each daughter cell would have ______ chromosomes

kozerog [31]

Answer:

At the end of mitosis, 2n = 20

At the end of meiosis I, n = 10

At the end of meiosis II, n = 10

Explanation:

Mitosis is a type of cell division in which daughter cell produced are genetically identical to their mother cell. So, no. of chromosome does not change after mitosis.

So, at the end of mitosis, each daughter cell would have 20 chromosome.

Meiosis is a type of cell division in which mother cell produces two haploid cells ones with a single set of chromosomes.

Meiosis is a two step cell division, Meiosis I and Meiosis II.

In meiosis I, homologous pair separates, so no. of chromosomes becomes half.

In meiosis II, sister chromatids separates. So, the number of chromosomes remains same (i.e. Have same no. of chromosome as present in cell produced after meiosis I).

So, at the end of mitosis, each daughter cell would have 20 chromosome.

At the end of meiosis I, each daughter cell would have n = 10 chromosomes. At the end of meiosis II, each daughter cell would have n = 10 chromosomes.

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3 years ago

Which statement best describes the reaction pathway graph for an exothermic reaction but not an endothermic reaction? It has a h

ruslelena [56]

Answer: "The reactants are higher in energy than the products"

Explanation:

The exothermic reactions are characterized by the release of heat to the surroundings. The reactants lose heat that is delivered to the surroundings which implies that the products will be lower in energy than the reactants.

The hills that you can see in a reaction energy diagram are not related with the final change of energy. The hills are an indication of the activation energy needed to start the reaction, but they do not measure the change of energy from the products to the reactants.

The enthalpy that is a state variable that identifies the content of heat. Then the change of enthalpy for the exothermic reactions is negative, meaning that the energy of the products is lower than the energy of the reactants.

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4 years ago

Read 2 more answers