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Sindrei [870]
3 years ago
12

What do the properties of waves moving through aquatic environments tell us about the organisms living in those environments?

Biology
1 answer:
liraira [26]3 years ago
6 0
Aquatic organisms greatly depend on the abiotic actors of an aquatic environment. Waves moving through the aquatic environment also influence the organisms living there. Depending upon the tidal zones, the organisms varies. Many aquatic organisms grow well in the intertidal zone can live in dry environment for a longer period of time. These organisms are also well adapted to withstand the damages that might be caused by the repeatedly pounding wave actions. Such organisms have tough exoskeleton (strong shell) to protect them from wave damage.
Some coastal plants are firmly attached to the rocks o that these are not torn away by the wave action. These plants have small, tough feather-like leaves.
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Part A
svetlana [45]

Considering the definition of density, you obtain that:

  • Part A: the density of gold is 19.3 g/cm³.
  • Part B: the density of iron is 7.8 g/cm³.

<h3>Definition of density</h3>

Density is defined as the property that allows to measure the amount of mass in a certain volume of a substance.

The expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

density= mass÷ volume

It can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

<h3>Density in this case</h3>

In this case, you know that:

  • A sample of gold has mass of 38.6 grams and a volume of 2 cm³.
  • A sample of iron has a mass of 46.8 grams and a volume of 6 cm³.

Replacing in the definition of density:

  • Gold: density= 38.6 g÷ 2 cm³
  • Iron: density= 46.8 g÷ 6 cm³

Solving:

  • <u><em>Gold: density= 19.3 g/cm³</em></u>
  • <u><em>Iron: density= 7.8 g/cm³</em></u>

In summary, the density of gold is 19.3 g/cm³ and the density of iron is 7.8 g/cm³.

Learn more about density:

brainly.com/question/952755

brainly.com/question/1462554

#SPJ1

4 0
1 year ago
The dicots are now thought to be in the paraphyletic group, and the majority of dicot species are now placed in the eudicots. wh
olga_2 [115]
There are no choices given for this question but here is an answer to it. Groups of flowering plants like Magnoliidae, Hamamelidae, and Rosidae formerly belonged to dicotyledons are now members of the eudicots after dicots are classified as paraphyletic.
7 0
3 years ago
It is quite possible to have a positive reaction in a glucose carbohydrate broth and yet a negative reaction in a glucose use me
Semmy [17]

Answer:

Option B is correct.

Explanation:

Carbohydrate fermentation test; its main purpose is to know if a bacteria can ferment a specific carbohydrate or not. The test can be used for distinguishing bacterial species.

When fermentation of carbohydrate occurs, gaseous acids are produced. This production of the acid lower the pH of the medium undergoing the test, which can be detected by the color change of the pH indicator.

The Color changes only when sufficient amount of acid is produced. Phenol red can easily detect single acid production but METHYL RED NEED MORE ACID.

3 0
3 years ago
In a dna double helix, the bases of complementary strands are held together by:.
iren [92.7K]

Answer:

Hydrogen bonds

Explanation:

4 0
3 years ago
Scientists estimate that only 1 percent of prokaryotes can be grown in the lab. what does this suggest about our knowledge of ba
uysha [10]
This suggests that the knowledge we know about these species is very limited. Through deeper research and gaining of samples of these bacteria, scientists will be able to determine how to culture these prokaryotes better, but this would still take a long period of time.
7 0
3 years ago
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