Answer:
Red blood cells, root hair cells in plants
Explanation:
Red blood cell: it has no nucleus. It offers the cell to carry more hemoglobin
Root hair cells in plants: they have a large cytoplasm which enables them to take water from the soil.
D) Contour plowing is used to reduce erosion and sediment pollution.
Explanation:
Contour plowing in farming helps to prevent pollution by reducing surface erosion of topsoil and preventing sediment pollution.
Contour plowing is a farming technique in which crops are planted along the slopes of hills or contoured areas.
- The rate at which rain water and precipitation moves along slope terrain is very fast.
- This causes the washing off of the the topsoil on hills to eroded very fast.
- Contour plowing breaks the slope and farming is done along movement on the contour.
- This prevents topsoil erosion.
- It also prevents sediment pollution in nearby streams and water bodies that are located around the valley at the base of the hill.
Learn more:
Soil erosion brainly.com/question/2473244
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Answer: When studying a rock sample, geologists observe the rock's mineral composition, color, and texture.
Explanation:
Coz they need food to live long and so they r big in size containing large amount of food. if they'll divide to form more no. of gametes then their food content will decrease and so theyll die
<span>B.) It is moving away from Earth.</span> When an objects moves far from the viewer, it's light is affected by a change called doppler effect or doppler shift.