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andrew11 [14]
3 years ago
10

Tadpoles use ____________________ to obtain oxygen.

Biology
1 answer:
TEA [102]3 years ago
4 0
Tadpoles use GILLS to obtain oxygen


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The failure to deliver blood to the heart due to a narrowing of arteries results in __________.A.atherosclerosisB.a strokeC.coro
Bond [772]

Answer:

c

Explanation:

coronary heart disease

4 0
3 years ago
Assess whether urban or rural areas are more likely to have high levels of smog.
yan [13]

The urban areas are more likely to have smog than the rural areas.

Urban area can be referred to as the town or city with advances an developments. Since the urban areas have more population density, more electronic items, vehicles and also industries, that is the reason why they are more likely to produce the smog or any other form of pollution.

Smog is a type of air pollution formed dye to the combination of smoke and fog. The most common source of smog is the burning of coal. This can be either due to industries or the fuels of vehicles. Fog can be of two types: Photochemical smog and industrial smog.

To know more about smog, here

brainly.com/question/15728274

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6 0
1 year ago
Which type of blood vessel usually carries oxygen-rich blood
zalisa [80]

Answer:

Arteries

Explanation:

There are three main types of blood vessels: veins, arteries, and capillaries. Arteries are the blood vessels that carry the oxygenated blood from the heart to various body parts. Veins pick the deoxygenated blood and deliver it to the heart to be oxygenated.  

Arteries are the blood vessels with thick walls and no valves. Blood is pumped with higher pressure from the heart into arteries. The pulmonary artery is the only exception that carries deoxygenated blood from the right ventricle to the lungs for oxygenation.  

5 0
3 years ago
PLZZZ ANSWER ASAP
rosijanka [135]
D. It occurs before an organism can reproduce. Meiosis is the replication of sex cells required for sexual reproduction to occur.
8 0
3 years ago
Biology End of Year Cornerstone Assessment
marshall27 [118]

Answer: hypothesized that the higher pH levels would increase the rate

of movement of the Artemia. The students placed the Artemia in petri dishes with 2 mm x 2

mm grids marked off on the bottom of the dishes. The students calculated how fast the Artemia

traveled in each pH (4-9) solution by counting the number of squares on the grid that the

Artemia crossed per second of timing.

The data collected from their experiment is presented below:

pH of Water

Rate of Movement of

Artemia

(squares per second)

4

1

5

5

6

10

7

20

8

20

9

25

1. Using the grid below, create a graph based on the above data.

Explanation: yes

6 0
2 years ago
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