What was the first flower on earth? Montsechia vidalii How old is plant life on Earth? Plants appeared on Earth 100 million years earlier than scientists previously thought. The evolution of plant life on Earth is fundamental to the history of our planet. It has provided resources and habitats for animals and influenced climate on […]
Which option describes a similarity and a difference between isotopes of an element?
Which option describes a similarity and a difference between isotopes of an element? Answer Expert Verified ‘which option describes a similarity between isotopes of an element. The correct option is C. Isotopes have the same number of atomic number but different mass number. The mass number is the summation of proton and neutron. Where is […]
Why static stretching is bad?
Why static stretching is bad? Static stretching before exercise can weaken performance, such as sprint speed, in studies. The most likely reason is that holding the stretch tires out your muscles. Is curl up static or dynamic? Dynamic exercises require the body to move through a full range-of-motion. When doing a bicep curl, your arm […]
What was the first language on earth?
What was the first language on earth? Tamil language Are English people Celtic? Historians teach that they are mostly descended from different peoples: the Irish from the Celts, and the English from the Anglo-Saxons who invaded from northern Europe and drove the Celts to the country’s western and northern fringes. Why is England not a […]
What are the factors that affect climate of a place?
What are the factors that affect climate of a place? The climate of a place is influenced by a host of interacting factors such as: Latitude. Elevation. Ocean Currents. Topography. Vegetation. Prevailing winds. What are the natural factors that affect climate? The Earth’s climate can be affected by natural factors that are external to the […]
What two lenses give the microscope its magnification?
What two lenses give the microscope its magnification? In practice, modern microscopes contain a series of lenses rather than just one. They have an objective lens (which sits close to the object) and an eyepiece lens (which sits closer to your eye). Both of these contribute to the magnification of the object. What range is […]
What are the 4 components of fitness?
What are the 4 components of fitness? Here are the four main elements of fitness: Aerobic Fitness. Aerobic fitness improves overall health and well-being. Muscular Fitness. Strength training improves your muscle and bone health, and helps with weight loss. Flexibility. Flexibility allows you to move your body freely. Stability and Balance. What are the four […]
What are the two phases of a waxing moon and how do they appear?
How do you calculate the cutoff frequency of a low pass filter?
What type of luminescence is present in fireworks?
What type of luminescence is present in fireworks? Barium chloride gives fireworks a luminescent green color, and copper chloride makes a blue color. For either kind of light, it’s important to use pure ingredients since traces of other compounds will obscure the color. What are the 7 main parts of a firework? Click on the […]