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zmey [24]
3 years ago
11

Identify the type of friction acting in each scenario.

Biology
2 answers:
serg [7]3 years ago
8 0
Fluid, rolling, air resistance, and not sure about the last one.
Mrrafil [7]3 years ago
8 0

Answer:

1st i fluid

2nd rolling

3rd is air resistance

4th is static hope its right plush thank me and brainlest thx

Explanation:

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Which piece(s) of evidence best supports that all land mass was once a supercontinent called Pangea. Select all that apply
kondor19780726 [428]

Answer:

Defenitely b, fossils, I don't think any of the others are right, But I could be wrong.

5 0
3 years ago
A botanist discovers a new species of land plant with a dominant sporophyte, chlorophylls a and b, and cell walls made of cellul
olchik [2.2K]

Answer:

e. spores

Explanation:

In the given question, the characteristics of a plant are mentioned which are the dominant sporophyte, cell wall and the Chl a or b.

It is mentioned that the plant has a dominant sporophyte therefore it produces the spores during its life cycle. The other features like the endosperm, seeds, flowers are the characteristics on the basis of which the plant can be characterised as they differ in the plants.

Since the production of spores is a characteristic feature of the sporophyte, therefore, it will be least considered by the botanist to discover a new species.

Thus, Option-E is the correct answer.

3 0
2 years ago
Based on what you know about natural selection, which of the following must be true if evolution is the explanation for what the
igor_vitrenko [27]

Answer:

The Grants's research shows that variation  within species increases the likelihood of the species' adapting to and surviving the environmental change.

Explanation:

The beaks of individual birds can change depending on what food is available.

Over time, individuals can evolve to better fit the environment by changing heritable traits.

Beak depth and length must affect survival and/or reproduction of birds.

 Beak depth and length must be heritable.

Beak depth and length must show variation among individuals of a single species.

8 0
3 years ago
Which of the following is true about glassy igneous rocks?
Evgesh-ka [11]
Glassy igneous rocks (i.e. obsidian) are cooled very rapidly.
6 0
3 years ago
Evolution occurs when?
MissTica
A. there is a change in Genetic frequency
5 0
3 years ago
Read 2 more answers
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