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vfiekz [6]
2 years ago
14

Cold air usually pushes warm air because cold air has a _____________.

Biology
1 answer:
kolbaska11 [484]2 years ago
5 0
Cold air usually pushes warm air because cold air has a HIGHER DENSITY
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6.
nexus9112 [7]

Answer:

C. levels of specific hormones

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2 years ago
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Why does the transfer of energy stop?​
Gala2k [10]

Answer:

Energy transfer will stop when both objects reach equilibrium

Explanation:

8 0
3 years ago
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Several biology students are counting kernels in an ear of corn. They count a total of 420 kernels: 242 purple wrinkled, 84 purp
s2008m [1.1K]
The answer is C) 9:3:3:1

This looks like a dihybrid cross where the expected phenotypic ratio is 9:3:3:1. However, in nature, the numbers cannot be absolut. Let's check it out:
242 purple wrinkled
84 purple smooth
70 yellow wrinkled
24 yellow smooth

Divide all by the smallest number:
242 purple wrinkled / 24
84 purple smooth / 24
70 yellow wrinkled / 24
24 yellow smooth / 24

We have 
10.1 purple wrinkled which is near to 9
3.5 purple smooth which is near to 3
2.9 yellow wrinkled which is near to 3
1 yellow smooth
6 0
3 years ago
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What is the difference between prophage and viral DNA?
mylen [45]

Answer:

A bacteriophage is a type of virus that attacks bacteria.  In the lytic cycle, the virus hijacks the cell machinery of the bacterium that it has infected. In the lysogenic cycle, the viral DNA is incorporated into the bacterial DNA.

Explanation:

Its a type of virus.

5 0
2 years ago
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What happens to the rate of photosynthesis as the intensity of light or concentration of CO2 increases? And How is your conclusi
NikAS [45]

Answer:

The rate of photosynthesis increases the intensity of light or concentration of CO2 increases, however, at a certain temperature, the rate can decrease due to enzyme denaturation.

Explanation:

Photosynthesis is a unique metabolic process specific to only some organisms. The photosynthetic process, however, cannot occur without some vital ingredients including light, Carbon dioxide (CO2) and optimum temperature.

An increase in the concentration of light (from sun) and CO2 (from atmosphere) increases the rate at which photosynthesis occurs i.e. more light, CO2 results in more photosynthetic process. However, an increase in TEMPERATURE also increases the photosynthetic rate but at a particular temperature, the enzymes that bring about the photosynthetic process can be denatured or damaged, hence, at an EXCESSIVE TEMPERATURE, photosynthesis can be inhibited.

3 0
2 years ago
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