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alukav5142 [94]
3 years ago
5

What must happen before meiosis can begin

Biology
1 answer:
777dan777 [17]3 years ago
8 0
Before meiosis can begin, the DNA that is packaged into chromosomes must be fully copied. Hope that’s helps
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Burrowing animals like this one dig holes in the ground, breaking up soils. What kind of weathering is this?
Maslowich

Answer:

Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.

6 0
2 years ago
How do seismic waves help scientists understand Earth's layers? Select the two correct answers. (1 point)
qaws [65]

Seismic waves help scientists understand Earth's layers by:

  • Scientists can observe how seismic waves change speeds when passing through different layers.
  • Scientists can observe which seismic waves cannot pass through certain layers.

<h3>What are Seismic waves?</h3>

These are waves which are generated as a result of the movement of

materials in the earth. They change speed as a result of the collision with

materials in the earth and know the types of material present as a result of

some types not being able to pass through certain medium.

Read more about Seismic waves here brainly.com/question/8553835

4 0
2 years ago
What needs to happen for a solute to dissolve in a particular solvent? A. The attractions between the solute and solvent molecul
Masja [62]

The attractions between the solute and solvent molecules must be greater than the attractions keeping the solute together and the attractions keeping the solvent together. This needs to happen for a solute to dissolve in a particular solvent .

Answer: Option A

<u>Explanation:</u>

Solute means the substances which get dissolved by another one, Ex: salt. On the other hand, Solvent refers the substance which dissolves. Ex: Water. To get dissolved in solvent, the particles present in solute move away.

It is possible only when the attractive force between solute and solvent are greater than binding force of solute and solvent.  Separation and mixing up with solvent particles, in general, called as solvatation.

6 0
2 years ago
Por qué es importante el uso de la notación científica en física? *
Galina-37 [17]

La notación científica es una forma muy conveniente para escribir números pequeños o grandes y hacer cálculos con ellos. También transmite rápidamente dos propiedades de una medida que son útiles para los científicos, las cifras significativas y orden de magnitud.

3 0
3 years ago
Organism population size is controlled by different types of limiting factors. The Serengeti Plains are part of the African sava
vlada-n [284]
I would go with c because its tells you right in there that the ecosystem help who lives around that area.
4 0
3 years ago
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