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elixir [45]
2 years ago
13

How are atoms, elements, and compounds related?

Biology
1 answer:
Ugo [173]2 years ago
6 0

Answer:

<em>Atoms join together to form elements, elements join together to form compounds.</em>

<em>hope</em><em> </em><em>this helps</em><em> </em><em><</em><em>3</em>

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During which step of meiosis do homologous chromosomes pair up?
katrin2010 [14]

Answer:

<u><em>PROPHASE</em></u>

Explanation:

The first stage in Meiosis I is prophase I. During this stage the DNA condenses into chromosomes. During prophase I, homologous chromosomes pair up and exchange sections of DNA. This is called recombination or crossing over

5 0
3 years ago
Helpppppp HAHAHAHHAHA IM STRUGGLING
OlgaM077 [116]

Answer:

Option D = 3.4 g/mL

Explanation:

Given data:

Volume of water = 21.2 mL

Volume of water + object = 27.8 mL

Mass of object = 22.4 g

Density of object = ?

Solution:

First of all we will calculate the volume of object.

Volume of object = Volume of water+ object - volume of water

Volume of object = 27.8 mL - 21.2 mL

Volume of object = 6.6 mL

Density of object:

d = m/v

d = 22.4 g/ 6.6 mL

d = 3.4 g/mL

4 0
3 years ago
What<br> are two threat to the world's forest biomes?
SCORPION-xisa [38]

Answer:

logging, and oil exploration

Explanation:

5 0
2 years ago
Read 2 more answers
Consider the scenarios described below. Match the concept described by the scenario with the theory.
astraxan [27]

Answer:

1 - natural selection

2 - uniformitarianism

3- inheritance of acquired characteristics

4 - catastrophism

Explanation:

1. Natural selection refers to the evolution of organism or changes in the characterstics of organism depending on the environmental conditions. Hence, the lizard moved on fantasy island evolved with larger head and stronger bites as per the environmental condition.

2. The concept of Uniformitarianism states that the natural geological processes happening in present have already occured in past with same intesity and rate. Hence, geologist uses the phrase "The present is the key to the past" for  formation of mountain, rock formation and water movements.

3. Inheritance of acquired characteristics are the characteristic acquird by the ancestors and transmitted that gradually acquired characteristic to their progeny. Hence, the rats acquire the charactieristics and transfered it to the next generations.

4. Catastrophism means the regular occurrence of meteorological and geological disturbances to explain the existence the fossil record. Hence, teh mass exticiton due to asteroid impact is an example of Catastrophism.

So, the correct options in sequential order is natural selection, uniformitarianism, inheritance of acquired characteristics, and catastrophism.

3 0
3 years ago
How are plants and algae important to energy transfer and organism diversity in creeks?
bogdanovich [222]
The most prominent role played by plants and algae is that in energy transfer; they are producers and they introduce energy into the ecosystem and different food chains. The earth's only source of energy is the sun, and plants and algae transform this light energy into chemical energy, which is obtained by organisms that consume these plants and algae. 
Moreover, plant and algae species are diverse and adapted to carry out their function and survive in different environments, which means they also increase the biodiversity of a region.
4 0
3 years ago
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