They are mostly made of ices.
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Answer:
ovulation, Hormones Rise and Egg Travels to the Fallopian Tube
Explanation:
Answer:Enzymes called transport ATPases use the energy stored in ATP molecules to pump ions across cell membranes against steep concentration gradients. In doing so, they demonstrate that the enzyme keeps its hydrophobic domain buried by rocking back and forth in the membrane.
Explanation:
The process by which information in segments of human DNA can be expressed by a bacterial cell is genetic engineering•
Answer:
Oil Sand is also known as Tar Sands. Oil sand is a mixture of sand, clay, water, and a substance called bitumen.
Explanation:
Some of the disadvantages of tar sand are
- Extracting bitumen from tar sands is carbon-intensive.
- Leaks from tar sands operations could harm people and animals in the region.
- Clear-cutting is often required to access deposits.
Some of the advantages of tar sand are
- It provides a localized economic benefit.
- It is a secure source of energy.
- Environmental changes can be repaired.
- Recipients of tar sands experience economic benefits.