Because so much of the food now a days is very unhealthy and lacks the fiber it should contain.<span />
Your heart pumps blood so it can circulate to your tissues as well as get oxygen from your lungs, if your heart can’t pump blood well i.e. heart attack you can feel short of breath
Answer: on number 4 ints fact
Explanation:
The correct answer is: Rinsing with alcohol during the washing step stripped the bacteria off the glass slide.
The sample may be lost during laboratory preparation. Usually the errors occur during the heating step (due to overheating or insufficient heating).
Little sunlight reaches that floor of caniferous forest because trees grow in dense stands. trees in caniferous forests grow close to each other and grow very tall forming canopies with their branches. canopies act like and umbrella that shields the sunlight from reaching on the floor of the forest. as a result insufficient sunlight there is little or no growth of vegetation at the floor of the forest. the areas where caniferous forest are found receive high amount of rainfall and this is what encourages the thick growth of trees.