C.Directly away from the Sun.
Explanation:
The umbra of Earth’s shadow is about 1.4 million km (860,000 mi) long and points directly away from the sun. A giant screen placed in the shadow at the average distance of the moon would reveal a dark umbra about 9000 km (5700 mi) in diameter, and the faint outer edges of the penumbra would mark a circle about 16,000 km (10,000 mi) in diameter. For comparison, the moon’s diameter is only 3476 km (2160 mi). Consequently, when the moon’s orbit carries it through the umbra, it has plenty of room to become completely immersed in shadow.
Answer:
1
Explanation:
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Dark matter is a form of matter thought to account for approximately 85% of the matter in the universe and about a quarter of its total mass–energy density or about 2.241×10−27 kg/m3. .
<h3>Mitosis</h3>
The constancy of the chromosome number from one cell generation to the next is maintained through <u>Mitosis.</u>
<h3>What is mitosis?</h3>
- A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase.
- The cell's contents are often evenly divided into two daughter cells with identical genomes after mitosis.
<h3>What is the mitotic process?</h3>
- A eukaryotic cell's nucleus divides in two during the process of mitosis, which is followed by the division of the parent cell into two daughter cells.
- The term "mitosis," which translates to "threads," refers to the chromosomes' appearance as threads when the cell gets ready to divide.
<h3>What is the phases of the mitosis?</h3>
- prophase
- prometaphase
- metaphase
- anaphase
- telophase, and cytokinesis.
<h3>What is the importance of mitosis?</h3>
- Multicellular creatures depend on mitosis to produce new cells for growth and to replace damaged or worn-out cells, such as skin cells.
- Mitosis serves as the main asexual reproductive mechanism for a large number of single-celled organisms.
To learn more about mitosis visit:
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Well, I dont think they had model numbers back then but I will look on the web for what microscopes where used. I found something but it doesnt say anything about a model of microscope! Here is the fact. <span>The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead </span>cell walls of plant cells (cork) as it appeared under the microscope. This was taken from google, I hope this helps? Here is the link : http://bitesizebio.com/166/history-of-cell-biology/
The difference between respiration and breathing is their functions. Breathing is when your body uses your lungs to inhale and exhale oxygen. Respiration is a chemical reaction where your body uses oxygen to eliminate or break apart Glucose so it could give you energy.
Hopefully this helps :)
