Answer:
The reason is because it takes a long time for the light from the stars in the sky to reach earth, so the light the star was producing millions of years ago has just now reached Earth.
Hope this helped! :)
The G2 phase of interphase begins here.
Answer: She is involved in Taxonomy
Explanation:
What is Taxonomy?
Taxonomy is explained as the science of giving names, classifying and describing plants , animals and microorganisms.
A taxonomists will look at form, structure, behaviour and biochemical reactions in order to put species into their classification.
Answer:
Explanation:
The density of a liquid determine if it will float or will in another liquid. It will float if it is more dense than the liquid it is placed in
Answer:
Explanation:
The materials that are useful are bamboo, plastic, steel, concrete, fabric , textiles, stones, brick, repurposed wood e.t.c.
Materials become useful, when those that uses it use it right and to achieve a specific purposes base on the properties the materials poseses.
The materials that are harmful include asbestos, Mercury containing devices, lead based paints, household hazardous waste, light system, mold, refrigerant containing system.
Materials become harmful when they contain substances or properties that is dangerous or can harm human beings and cause damage to cells.
