Showing 20 answered questions on Science

Describe progress in electronics e.g., from manual typewriter to computer, from air mail to E-mail, from newspaper to internet​
Science . 1 year ago
Progress in electronics has been marked by the development of the manual typewriter to the computer, air mail to e-mail, and newspaper to the internet.... View complete answer
How many moles of NaCl is there in 200g of salt (NaCl)​
Science . 1 year ago
There are 58.44 moles of NaCl in 200g of salt (NaCl).... View complete answer
give a concrete explanation on the working principle of electric generator and flemings left-hand rule.​
Science . 1 year ago
An electric generator works by converting mechanical energy into electrical energy. Flemings Left Hand Rule states that if the first finger points in the direction of the magnetic field, the second finger will point in the direction of the current flow, and the thumb will point in the direction of t... View complete answer
Reflection about the volcano rescue from whakaari​
Science . 1 year ago
The recent rescue mission on Whakaari/White Island was a remarkable feat of bravery and courage from the first responders and volunteers involved. Despite the intense danger and uncertain conditions, they put their lives at risk to help others in need. It is a testament to the strength of human spir... View complete answer
A taxonomy key is nothing more than a checklist of characteristics that determines how organisms are grouped together true or false?​
Science . 1 year ago
True. A taxonomy key is a set of characteristics used to group organisms together. It helps to classify species and can be used to identify unknown organisms.... View complete answer
When should a researcher write his or her abstract?​
Science . 1 year ago
Once you finish your research, it's a good idea to write your abstract promptly, so you can ensure that it accurately captures the essence of your findings. Keep in mind, though, that if you plan to submit your paper for publication, the journal or conference might have particular rules regarding th... View complete answer
It is when a parent cell devides itself into to equal parts and creates offspring​
Science . 1 year ago
Yes, that is the definition of mitosis. During mitosis, a parent cell divides into two identical daughter cells that have the same number of chromosomes as the parent cell.... View complete answer
A wave has a frequency of 900 Hz and a wavelength of 200 m .find the speed of wave ​
Science . 1 year ago
The speed of the wave can be calculated by dividing the frequency (900 Hz) by the wavelength (200 m). So, the speed of the wave is 4.5 m/s.... View complete answer
Explain the role of Gelada Baboons, Walia Ibex, and Ethiopian wolves in the Ethiopian Highland ecosystem.
Science . 1 year ago
The Ethiopian Highland ecosystem is heavily reliant on the presence of Gelada baboons, a keystone species that has a significant impact on the environment and other species in the region. These primates have a varied diet, consuming a wide range of plants and spreading their seeds, which ultimately ... View complete answer
Why underwater volcano don't errupt​
Science . 1 year ago
It's uncommon for underwater volcanoes to erupt because the water pressure around them is usually too great. This pressure from the deep ocean tends to inhibit most underwater volcanoes from erupting. Yet, in the rare case of an underwater volcano eruption, it can be tremendously potent and cause ca... View complete answer
Calculate the number of Particles present in 4.5 motes NH3. Atomic mass K=39 N=14 0=16 C= 12 H=1 P=31​
Science . 1 year ago
The number of particles present in 4.5 moles of NH3 is 6.022 x 10^23. This number is known as Avogadro's number, which is a fundamental constant of chemistry and physics and is equal to the number of atoms, molecules, ions, or electrons in one mole of any substance. In this case, 1 mole of NH3 conta... View complete answer
How many meters of blood pumps?​
Science . 1 year ago
Determining the exact amount of blood that circulates through our bodies on a daily basis can be quite challenging since several factors come into play. That being said, research indicates that an adult, on average, pumps around 5 liters of blood every day, which can roughly be translated to 5 meter... View complete answer
Which surface shows a vehicle down more - smooth wood or rough wood? why?​
Science . 1 year ago
When it comes to surfaces for vehicles, typically a smooth wood surface is better than a rough one. This is because smooth surfaces provide a much lower level of friction, meaning that the vehicle will be able to move more quickly and efficiently, as it will not have to fight against the surface's t... View complete answer
How will you conserve and protect our natural resources for future generations?​
Science . 1 year ago
Protecting our natural resources for future generations is key to preserving the planet, y'know? There's a bunch of things we can do to make sure that happens. First off, we need to be mindful of how we're using our resources in our daily lives. Do we really need to take that long shower, or coul... View complete answer
Enumerate Physical Properties of Minerals ​
Science . 1 year ago
- Scratch Resistance: A mineral's scratch resistance is a measurement of how difficult it is to scratch. - Flat Plane Breaking: This refers to the way a mineral splits when broken along flat planes. - Breaking Style: The breaking style of a mineral refers to how it splits when struck or subjected ... View complete answer
Bakit asul ang kulay ng mundo?
Science . 1 year ago
Ang kulay na asul ng mundo ay isa sa mga pangkaraniwang tanong na tinatanong tungkol sa ating mundo. Ang kulay na ito ng mundo ay dulot ng pagdudugtong-dugtong ng liwanag mula sa araw na nagpapakalma sa ating mga mata. Ang liwanag na ito ay binubuo ng maraming uri ng spectrum ng liwanag na kabilang ... View complete answer
What are the categories of typhoon according to wind speed? (In order)
Science . 1 year ago
In accordance with the S-S Hurricane Wind Scale, there are five designations for typhoons based on gust velocity: 1: Gusts between 74-95 mph (119-153 km/h) 2: Gusts between 96-110 mph (154-177 km/h) 3: Gusts between 111-129 mph (178-208 km/h) 4: Gusts between 130-156 mph (209-251 km/h) 5: Gus... View complete answer
Anong kapangyarihan ang nagpapahintulot o pagpayag sa gobernador heneral na hindi sundin ang ipinag-uutos ng hari?a. Residencia b. Cumplase c. Komandante d. Visitador
Science . 1 year ago
Ang pagpapahintulot o pagpayag sa Gobernador Heneral na hindi sundin ang ipinag-uutos ng Hari ay hindi isang kapangyarihan o tungkulin sa kanyang trabaho. Ang mga terminong sinabi mo ay mga terminong ginamit sa panahon ng kolonyalismo, at wala na silang kabuluhan sa kasalukuyang panahon. Ang Gobern... View complete answer
These are the simplest and smallest seedless nonvascular plants.
Science . 1 year ago
The simplest and smallest seedless nonvascular plants are mosses and liverworts.... View complete answer
As a student, what can you contribute in Media, information, and literacy?
Science . 1 year ago
- Take part in media literacy initiatives and efforts - Stay knowledgeable and spread awareness on the significance of media literacy - Exercise critical analysis to assess the reliability, impartiality, and validity of media sources - Take part in conversations related to media's place in the co... View complete answer