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Sever21 [200]
2 years ago
14

What needs to be present for petroleum to form? (select all that apply) *

Biology
1 answer:
Vlad1618 [11]2 years ago
5 0

Answer:

a b d

Explanation:

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Sketch and label a food-web that includes at least 6 different items. Make
astra-53 [7]

Answer and Explanation:

Example of a food-web:

(1) Algae --> (2) Protozoas --> (3) Krill --> (4) Cephallopods --> (5) Medium sized dolphin --> (6) Large Dolphin

The trophic web is the process of energy transference through a series of organisms, in which every organism feeds on the preceding one and becomes food for the next one.

1) The first link is an autotroph organism or producer, such as a vegetable, that can synthesize organic matter from inorganic matter. In this example, the autotroph organisms are algae, that make use of sunlight and inorganic matter.

The next links are the consumers:

2) Herbivores are primary consumers and feed on producers. In this example, herbivore organisms are protozoan.

3) Krills are the secondary consumers and feed on protozoans.

4) Some species of cephalopods feed on krill, among other species.

5) Specialized Cetaceans such as the Risso´s dolphin, feed especially on cephalopods, as they lack upper teeth and they only have a few teeth in their jaws.

6) The killer whale is a big sized-dolphin and a very important predator. It feeds on many animals, and one of them is the Risso´s dolphin.

4 0
2 years ago
The insertion of a tube through the urethra and into the bladder is called
Vinvika [58]
This is called a urinary catheterization.
8 0
3 years ago
This area on earth extends from 66.5o degrees North and south of the equator to the poles. It is an area on earth where temperat
Nataliya [291]

Polar ice cap

Explanation:

The polar ice cap is an area on the earth that extends from 66.5° north and south of the equator to the poles.

The polar ice cap is an area of very low temperature and the surface is mostly covered by ice.

  • The vast polar ice caps the earth's northern and southern limits.
  • This is the region of the Arctic and Antarctic circle.
  • This region receives diffused solar radiation from the sun.
  • This is why they rarely warm up.
  • The region of the equator has no ice because they receive direct sunlight.
  • The soil here is frozen.

learn more:

Tundra brainly.com/question/2334099

#learnwithBrainly

5 0
3 years ago
Write two examples and two characteristics of monocot and dicot plant​
Sophie [7]

Answer:

MONOCOTS                                                  DICOTS

Embryo with single cotyledon           Embryo with two cotyledons

Pollen with single furrow or pore          Pollen with three furrows or pores

Flower parts in multiples of three      Flower parts in multiples of four or five

Major leaf veins parallel                  Major leaf veins reticulated

Explanation:

Monocots include most of the bulbing plants and grains, such as agapanthus, asparagus, bamboo, bananas, corn, daffodils, garlic, ginger, grass, lilies, onions, orchids, rice, sugarcane, tulips, and wheat.

8 0
3 years ago
Read 2 more answers
H2 is a molecule, but H2O is a _____. diatomic molecule compound neuron photon
ioda

Answer:

Compound.

Explanation:

If a molecule consists of 2 or more elements its a compound.

7 0
2 years ago
Read 2 more answers
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