BIOLOGY MIDDLE SCHOOL

How does upwelling affect coastal fisheries? Upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water.


Upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water.


Upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water.


Upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.

Answers

Answer 1
Answer:

Answer:

Upwelling improves the nutrient supply at coastal fisheries as the cold, nutrient-rich water replaces the warm, nutrient-poor surface water

Explanation:

The upwelling is simply the process through which the cold water rises up toward the surface, pushes and moves away the warmer water, until it gets warmer and is pushed by the colder water blow it. The cold water that rises toward the surface is nutrient-rich, while the warm surface water is nutrient-poor. By having the nutrient-rich cold water come toward the surface, the coastal fisheries have great benefit, as the more nutrients there are, the more fish there will be for them to catch.


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MIDDLE SCHOOL

Which structure is found in all eukaryotic cells? A: large central vacuole


B: flagella


C:Golgi apparatus


D: cilia

Answers

Answer:

C: Golgi Apparatus...

HIGH SCHOOL

Leaves appear green because the green portion of the light that strikes them is _____. a. changed to heat
c. destroyed
b. absorbed
d. reflected

Answers

D. Reflected
Whatever color your eye sees is the reflected light. So white, all colors reflected and black, all colors absorbed

Answer:

reflected

Explanation:

MIDDLE SCHOOL

Why is the circulatory not involved in insect respiratory mechanisms?​

Answers

Answer: Insects have a circulatory system but it is an open one, which is why much emphasis is not laid on it compared to other vertebrates e.g in human when it comes to respiration

Explanation: The circulatory system in vertebrates unlike in insect is closed, meaning that blood is transported all over the body through a confined blood vessle, blood contains hemoglobin (red blood cell) which carries oxygen which aids in respiration, while in

Insects they only have hemolymph (like a blood) which doesn't contain hemoglobin this means that the circulatory system in insect doesn't aid in respiration which is why it is not included in the respiratory system of insect. Oxygen is rather delivered through the trachea of an insect.

Insect respiration is independent of its circulatory system; therefore, the blood does not play a direct role in oxygen transport. ... These openings connect to the tubular network, allowing oxygen to pass into the body (Figure 11.14) and regulating the diffusion of CO2 and water vapor.

HIGH SCHOOL

Which statement best describes a human influence on the biogeochemical cycles?

Answers

A. Increased eutrophication caused by high levels of nitrogen and phosphorous
''Perhaps the most significant factor that affects the biogeochemical cycles in the terms of human involvement is global warming, which disrupts natural cycles on various levels.''
HIGH SCHOOL

Use the chemical equation to find the answers. H2CO3 → H2O + CO2

Identify how many oxygen atoms are in the product.

Identify how many oxygen atoms are in the reactant.

Answers

The given chemical equation is:

H₂CO₃ → H₂O + CO₂

Number of oxygen atoms in the product = 3

Number of oxygen atoms in the reactant = 3

What are reactants and products?Reactants -
  • Reactants are substances that begin a chemical reaction.
  • They are generally written on the left-hand side of the arrow in a chemical reaction.
  • Therefore, in the given chemical reaction on the left-hand side, there is H₂CO₃ as a reactant that has 3 oxygen atoms.
Products -
  • Products are the compounds that are created as a result of the reaction.
  • They are generally written on the right-hand side of the arrow in a chemical reaction.
  • Therefore, in the given chemical reaction on the right-hand side, there are H₂O and CO₂ as products that have 3 oxygen atoms in total; 1 oxygen atom in H₂O and 2 in CO₂.

Learn more about a chemical reaction or equation here:

brainly.com/question/12047033?referrer=searchResults

#SPJ2

Explanation:

When we write a chemical equation then species written on the left hand side are known as reactants followed by a forward arrow. Then species written on the right hand side are known as products.

For example,

Here, is the reactant. On the other hand, both and are the products.

Thus, we can conclude that there are three oxygen atoms in the reactant and there are three oxygen atoms in the product.

HIGH SCHOOL

Landslides, mudflows, slump, and creep are all examples of a.
mechanical weathering.
b.
runoff.
c.
mass movement.
d.
soil formation.

Answers

Answer: c.  mass movement.

Explanation:

Landslides, mudflows, slump, and creep are all examples of  mass movement or mass wasting. As all these process involves the downward flow or movement of materials such as soil, sand, rocks and other particles which goes down the slope due to the effect of gravity. Such materials due to unstable orientation flow downwards.

I'd say the answer is C. Mass movement! Tell me if it's right
HIGH SCHOOL

Blood is a mixture both of a ------- and a -------- (fill in the blank)

Answers

Blood is a heterogeneous mixture because the blood cells are physically separate from the blood plasma. The cells have different properties than the plasma. The cells can be separated from the plasma by centrifuging, which is a physical change. Since it can be separated mechanically, it is not a chemical compound
MIDDLE SCHOOL

Which organism is the producer in this food web?

Answers

Answer: Pine

Explanation:

Answer:

2 chain  producers

Explanation:

HIGH SCHOOL

You are off duty and you come across an unresponsive child lying on the ground at a playground. she does not have a pulse and no one witnessed the collapse. what should you do?

Answers

You need to begin CPR. A pulseless and unresponsive patient who was not witnessed requires immediate CPR to try and get blood flowing, we do not know how long the child has been without oxygen and every second counts.

Continue doing this for at the minimum 5 cycles before pulling out your phone, or have someone call 911 immediately.

As I said before every second counts.
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