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user100 [1]
3 years ago
6

Marcus is taking a hiking trip in the mountains. He sees long scratches on the rock walls. The area was most likely eroded by a

_____.
Biology
1 answer:
Darya [45]3 years ago
3 0
The answer is yet agian earthquack
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Find the density of an object that has a mass of 22.3g and a volume of 136.7cm3.
andre [41]

Answer:

0.1631309437 g/cm^3

Explanation:

The formula for density is ρ=\frac{m}{V} (where m represents mass, and V represents volume).

With this formula, we can calculate the density of the object:

ρ = \frac{22.3g}{136.7cm^3}

=0.1631309437 g/cm^3

Hope this helps :)

8 0
3 years ago
True or False. Genes determine the traits of an organism.
MakcuM [25]

Answer:

True

Explanation:

A trait is a specific characteristic of an organism. Traits can be determined by genes or the environment, or more commonly by interactions between them. The genetic contribution to a trait is called the genotype. The outward expression of the genotype is called the phenotype.

7 0
3 years ago
Which of the following is not a function of astrocytes?guide the migration of young neurons, synapse formation, and helping to d
Alinara [238K]

Answer: E) provide the defense for the CNS

Explanation:

Astrocytes can be defined as one of the cell types in the central nervous system. These are the dominant glial cell found in the brain. These cells perform a variety of functions in the brain. The functions includes axon guidance, synaptic support, controlling the blood brain barrier and blood flow.  These cells maintain the chemical environment in the brain especially around the neuron.

These cells do not provide to the central nervous system.

8 0
2 years ago
3. Which is true about the relationship between an object's mass and its weight?
anygoal [31]

Answer:

B

Explanation:

Mass is constant. Weight varies due to gravity.

For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.

3 0
3 years ago
Organisms within an ecosystem are ___________________factors in that ecosystem.
Sidana [21]
Organisms are the biotic parts of an ecosystem.
8 0
3 years ago
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