How is soil polluted?Explain.
Answer:
Main Causes of Soil Pollution
1. Industrial Activity. Industrial activity has been the biggest contributor to the problem in the last century, especially since the amount of mining and manufacturing has increased.
2. Agricultural Activities. The utilization of chemicals has gone up tremendously since technology provided us with modern pesticides and fertilizers.
3. Waste Disposal.
Explanation:
got the information from the internet
breathing involves the movement of diaphragm and Rib cage
true or false
Answer:
TrueExplanation:
It's a true statement as,
When we inhale the diaphragm moves downwards and the rib cage moves upwards and outwards to let enter the outside air containing oxygen come in.While we exhale the diaphragm comes to its position and the rib cage move downwards and inwards to let out the inside carbon-dioxide and other games out.Hence, we can conclude that breathing involves the movement of diaphragm and Rib cage.
Yes,very true! This is very true because out lungs are around our rib cage,and our lungs is where we breath. For example,right now take a breath in.....Hold.... and out. And one more time. Your lungs are moving in your rib has you do that!
Hope this explains better :)
~Learning with Natalia~
A polar bear has thick, white fur that camouflages it when it sits on snow. Which type of adaptation is this modification?
A. structural
B.natural
C.functional
D.behavioral
Which on is it?
Answer:B Natural
Explanation:Camouflage is a adaptation which animals use to blend in with their surroundings in order to protect themselves from the predators and hunters. This also gives them a better chance of survival and easy mode of hunting for food.
For example: white fox hides in the snow from the predators
Camouflage is a clear example of Physical or Structural adaptations.
-Body shape, color and body patterns are the adaptations that assists both predators and prey to camouflage
-As in the example mentioned, the polar bear with its white fur hides in the snow and waits for the right time to attack its prey without being seen
Hope it helps!!
2. Use the drawing to answer this question. What type of cell is this? B А с 3 2 1 5 F D E
Answer: Whats the drawing
Explanation:
.
How does the skeleton function to store minerals?
Answer:
calcium and phosphorous,
Explanation:
which can given up if the body requires the minerals for others functions
A. Val Pro Pro
B. Leu His Ser
C. Pro Val Pro
D. Val Leu Pro
A 100% efficient light bulb is the one that converts all the electricity to light without producing any heat. which of that following methods is the most economical way of increasing the light output from a lamp ?
a) Replace the light with a new one
b) Clean the light surface
c) Switch of the bulb
d) None of the above
Answer:
d
Explanation:
Buying a new light bulb will cost money so it is economically inefficient. Cleaning the light surface doesn't increase the light output from the lamp and switching off the bulb means no light at all, therfore the answer is none of the above.
