The main cause of the seasons is this. The Northern Hemisphere has warm weather when the Earth is tilted toward the sun, and cool weather when the Earth is tilted away from the sun. Thus, option A is correct.
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What is Earth seasonal cycle?</h3>
The Earth's axis is currently inclined 23.5 degrees. The Earth rotates on its axis at a fixed tilt as it orbits the Sun. The Northern and Southern Hemispheres are tilted away from the Sun.
At different times of the year as a result of this angle. A hemisphere experiences winter and longer nights as it is tilted away from the Sun.
Therefore, there would be no seasonal cycle If Earth was not tilted.
Learn more about seasonal cycle here.
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Answer:
A) Tissue
Explanation:
Cells are the basic and fundamental units of all living organisms. Plants, like every other multicellular living organisms, are composed of cells that perform different functions. A group of cells that perform similar functions make up or form TISSUES, tissues that work together form the ORGAN, organs that work together to perform same function form the ORGAN SYSTEM.
In plants, sieve tubes and companion cells work together to carry out a similar task in plants, which is to transport nutrients and sugar inside the plant. Since sieve tubes and companion cells work together to fulfil same task, they collectively form a tissue in plants called PHLOEM tissue.
Answer:
c
Explanation:
tumors are made from uncontroled tussue cell division
The black coffee, with a pH of 5 has a hydrogen ion concentration of 1 x 10^-5 mol/L. The tomato juice, with a pH of 4, has a hydrogen ion concentration of 1 x 10^-4 mol/L.
By taking the difference between the two respective concentrations, we can compute how much greater the concentration of hydrogen ions in the tomato juice is compared to the coffee.
Difference = (1 x 10^-4 mol/L) - (1 x 10^-5 mol/L)
Difference = 9 x 10^-5 mol/L
Thus, the tomato juice has a concentration of hydrogen ions that is 0.00009 mol/L greater than the the concentration of hydrogen ions in the black coffee.
