Answer:
Animals get rid of nitrogen by converting it int urea uric, acid and ammonia.
Explanation:
1) it stops the water from reaching the land and into the homes and cause flooding
2) it regulates the food chain and helps animals build habitats and riase their babies
3) helps us create power by using dams to prevent the water from pouring out
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Answer:
Mass is how heavy something is, volume tells you how big it is, and density is mass divided by volume. you can usually think of weight and mass as the same thing.Volume is the size of an object, and mass is its weight. Density is calculated by dividing an object’s mass by its volume. Density is sometimes used to describe other quantities divided by volume, such as energy density.
Answer:
Rough endoplasmic reticulum is an organelle found in eukaryotic cells. Its main function is to produce proteins. It is made up of cisternae, tubules and vesicles. The cisternae are made up of flattened membrane disks, which are involved in the modification of proteins. Rough endoplasmic reticulum has a number of functions. One of the main functions of the rough endoplasmic reticulum is to produce and process specific proteins. These are the exported through the secretory pathway. After they are exported via membrane vesicles, they can be sent to the Golgi Apparatus to be further processed or to organelles. They can even be exported to outside the cell and into another part of the body. Ribosomes also create proteins which are embedded into the rough endoplasmic reticulum for further processing (integral membrane proteins). Water soluble proteins are created too, which are exported through the membrane into the lumen.