Answer:
MICRO SEEL chemically altered bitumen. MICRO SEEL is a chemically altered bitumen that provides wellbore stability and minimizes fluid loss.
Explanation:
Extinction is a natural process that may be caused by natural selection, shortage of food or natural calamities. Hunting, deforestation, pollution, the conversion of uncultivated areas into pastures, the illicit trade of wild animals as well as climatic changes have made life more difficult for many animals.
Answer:
The correct answer is option A
A. A marine body fish
Explanation: this is because they need to retain water. The piscine kidney cannot afford to produce a urine of higher concentration than the fluids in the body so production is kept at minimum.
Answer:
In transcription, the mRNA strand is formed by complementary base pairing of the template DNA strand. However we should note that the nitrogenous bases in mRNA are Adenine, Guanine, Cytosine and Uracil, while those in DNA are Adenine, Guanine, Cytosine and Thymine.
So the mRNA strand would be formed by matching the A in DNA with U in mRNA, T in DNA with A in mRNA, C in DNA with G in mRNA and G in DNA with C in mRNA.
I hope that helps!
Explanation:
Conserve energy – remember to turn off lights, computers, and electric appliances when not in use
Use energy efficient light bulbs and appliances
Participate in your local utility’s energy conservation programs
Limit driving by carpooling, using public transportation, biking and walking
Combine errands for fewer trips
Keep your automobile well tuned and maintained. Follow the manufacturer’s instructions on routine maintenance, such as changing the oil and filters, and checking tire pressure and wheel alignment.
Avoid excessive idling of your automobile
Drive electric or plug-in hybrid electric vehicles
Use electric or hand-powered lawn care equipment
Be careful not to spill gasoline when filling up your car or gasoline powered lawn and garden equipment
Run dishwashers and clothes washers only when full
Choose environmentally friendly cleaners
Use water-based or solvent free paints whenever possible and buy products that say "low VOC"
Seal containers of household cleaners, workshop chemicals and solvents, and garden chemicals to prevent volatile organic compounds from evaporating into the air
Purchase and use low-polluting outboard marine engines and personal watercraft (4-stroke and direct fuel injection 2-stroke outboard marine engines).
Advocate for emission reductions from power plants and more stringent national vehicle emission standards