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kumpel [21]
3 years ago
9

How to determine density?

Biology
1 answer:
evablogger [386]3 years ago
6 0

Answer:

The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimetre.

Explanation: HOPE<u><em> IT HELPS AND PLS MARK BRAINLIEST</em></u>

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4. The specific reactants that an enzyme acts on are called
rewona [7]

Answer:

Substrate

Explanation:

4 0
3 years ago
Describe: Imagine a rock on a beach and a rock on the side of a mountain. How
Vesna [10]

Answer:

  • mountainside: temperature extremes have more influence
  • beach: wind and waves have more influence

Explanation:

It depends on what you mean by "factors that control weathering" and where the beach and mountain are located.

If we assume that the rock on the mountain is at a place that has seasonal snow, and the beach is in a temperate climate, then we can make these observations.

The rock on the mountainside will be "weathered" by freezing and thawing, and by plant growth (roots). These will tend to enlarge any cracks in the rock, breaking it apart. While the mountainside may be windy, that wind may not carry particles that would tend to erode the rock surface.

__

The rock on a beach will be most affected by wave and water action, tending to smooth any exposed surface. Freezing and thawing action is less common, due to the moderating influence of the water on the local weather. In some cases, plant growth may also be a factor. Wind may pick up beach sand, further tending to smooth any exposed surfaces.

4 0
4 years ago
Tại sao tóc có mầu đen
Akimi4 [234]

Answer:

Melanin is responsible for black colour of hair.

Explanation:

Hair is black in colour because it is determined by the amount of a pigment present in hair is called melanin. If eumelanin which is a type of melanin, present in hair, it gives people black or brown hair. If the receptor is not activated or is blocked in the hair, then melanocytes make pheomelanin instead of eumelanin and then the black or brown hair colour did not occurs so we can conclude that melanin is responsible for black colour of hair.

6 0
3 years ago
Plants and algae need ______________ along with sunlight and carbon
Rainbow [258]

Answer:

Water

Explanation:

Water along with sunlight and Carbon dioxide is essential for photosynthesis.

5 0
3 years ago
Read 2 more answers
Some present-day bacteria use a system of anaerobic respiration characterized by an electron transport chain analogous to that f
geniusboy [140]

Answer:

The correct answer would be:

Neither of these response options accurately features the anaerobic electron transport chain.

Explanation:

The anaerobic respiration system vibrated by an electron transport chain is a mechanism that anaerobic bacteria have to maintain their respiration.

This mechanism does not require oxygen in the atmosphere, that is why it is said to be an anaerobic mechanism.

Bacteria do not all need oxygen in the environment to live, some need that oxygen is not exactly present (strict anaerobes) or that it is at low partial pressures (facultative anaerobes).

This mechanism is very characteristic in its location since it is located in the inner membrane of the mitochondria, that is why it will decide to indicate that option as the correct one.

6 0
3 years ago
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