FUN EXPLORER BACK TO SCHOOL WINNING Question Mark I Published 6 years ago on January 9, 2020 By BRJ Media BACK TO SCHOOL WINNING Questions mark IPlease enable JavaScript in your browser to complete this form.Member ID *Title *FirstLastEmail *Q1. Why is the bread soft? *Because it has pores left behind due to the evolution of carbon dioxide gas.Because it is mixed with water.Because it is flour.Q2. Why is gold shiny and yellow? *Bulk gold has a very characteristic warm yellow shine to it.This property arises from relativistic effects.It does with some distinct electronic transition energies in the gold atoms.Q3. Why do we adhere bricks with cement instead of paper glue? *The wet cement is pushed into the small holes and crevices in the rough surfaces of the brick. When the cement dries and hardens, the two bricks are stuck together.Thus, a really good bricklayer is very important in how well bricks stick together in a house!Paper glue is not adhesive enough to stick on the rough surface and takes much longer to dry up.Q4. Why does plant take time to grow, can't they grow faster naturally? (Multi-choices) *Plants need large amounts of three nutrients: nitrogen, phosphorus, and potassium. Combine those with water and sunlight and plants will grow.In a natural ecosystem, nutrients are naturally cycled. Plants grow, using these substances, microbes decompose them after they die and new plants use the same nutrients to grow again, the whole circle of life.We can reply on technology completely to make plants grow faster ever.Q5. Why are there pests? (Multi-choices) *There are thousands of different kinds of pests that are harmful to humans. The great majority of these are types of insects.Though you often need a microscope to see them, insects are “the lever pullers of the world,” says David MacNeal, author of Bugged. They do everything from feeding us to cleaning up waste.There are 1.4 billion insects for each one of us.Next episode date *25th January 2020NameSubmit Related Topics: Up Next Opinion: Playing college basketball is madness with COVID-19 raging. Just ask the coaches Don't Miss BACK TO SCHOOL WINNING game explanation BRJ Media Continue Reading You may like
