Why hibiscus has tap root?

When you turn on a flashlight does it experience any force associated with the emission of light? What change in a physical property of matter can indicate? Is produces radiation a chemical change? During photosynthesis plants generate sugars which contain chemical potential energy but plants need external energy to perform photosynthesis. Where does this external energy come from? What amino acid wuld be produced of transcrition takes place from a nucleotide with the three-base sequence ATA? Is a hedgehog a carnivore? How many Joules of heat are necessary to raise the temperature of 46 g of water from 100.0 Celsius to 114.0 Celsius? What is degreasing and how is it used? What does 100 degree Celsius equal in Fahrenheit? When two air masses collide formation is called? What is One function of the human excretory system is? Do magnetic field lines ever cross each other at any point? What is a meaning of the name Tharushi? What is Pluto's rotation direction? What is the difference between Alpha Centauri A and Alpha Centauri B? Where in the body is Carbohydrase? What do the tendons look like and what is their function? What city is located at 46 degrees North latitude and 118 degrees West? What are the characteristics of different kinds of plants? What metals can form a permanent magnet?