What was palm oil used for in the 1800s? Palm oil became a highly sought-after commodity by British traders for use as an industrial lubricant for machinery during Britain’s Industrial Revolution. Palm oil formed the basis of soap products, such as Lever Brothers’ (now Unilever) “Sunlight” soap, and the American Palmolive brand. What is palm […]

Which property of light helps us to see the objects? Rays of light reflect, or bounce off, objects just like a ball bounces on the ground. This reflection of light is what enables us to see everything around us. Take a look out your window: you see everything in the natural world (that doesn’t produce […]

What are the factors that affects population growth? Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration. How do you explain exponential growth? What exponential growth is. But what, precisely, is exponential growth? The mathematical definition says that a quantity that increases with a rate proportional to its current […]

Is WBC of 4.4 normal? The normal number of WBCs in the blood is 4,500 to 11,000 WBCs per microliter (4.5 to 11.0 × 109/L). Is 4.3 white blood cell count low? The definition of low white blood cell count varies from one medical practice to another. In general, for adults a count lower than […]

How has the composition of the atmosphere changed over time? Water vapor, carbon dioxide, methane, ammonia, and other gases similar to the ones produced by volcanoes today were expelled. Over a vast amount of time, millions of years, the earth gradually cooled. From these clouds, the oceans formed and the oceans absorbed a lot of […]

Where is the egg usually fertilized? A pregnancy starts with fertilization, when a woman’s egg joins with a man’s sperm. Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing. Where […]

What is the percentage of solar energy used in the world? Solar photovoltaics are the fastest growing electricity source. In 2018, around 100 GW of global capacity was added, bringing the total to about 505 GW and producing a bit more than 2 percent of the world’s electricity. How much solar energy is left in […]

What is needed to remove a phosphate from ATP? ATP Structure and Function ATP (adenosine triphosphate) has three phosphate groups that can be removed by hydrolysis to form ADP (adenosine diphosphate) or AMP (adenosine monophosphate). Phosphate groups are negatively charged and thus repel one another when they are arranged in series, as they are in […]

What are the bulges of the oceans at the sides of Earth facing toward and away from the moon called? Tides move around Earth as bulges in the ocean. As the ocean bulges toward the moon, a high tide is created. The high tide on the side of Earth facing the moon is called the […]

Why do they check cardiac enzymes? A cardiac enzyme test is a tool used by doctors to determine if someone is having or has already had a heart attack. This test checks for levels of enzymes that are released by the heart muscle when it is injured, such as during a heart attack. What is […]