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How are roots able to penetrate a solid rock?
The roots penetrate cracks and spaces between rocks.
How did the US defend itself against the tanks in world war 1?
The USA was doing great during the war until the British tanks came along. From there we were in trouble. They bombed us and cut through our barbed wire and even destroyed our trenches. So we got flame throwers and realized they were able to destroy the tanks. So eventually we used tanks and flamethrowers and all that stuff and won the war.
What does impregnable and its prefix mean?
"Impregnable" means unable to be captured or entered by force, as in a fortress or stronghold. The prefix "im-" in "impregnable" is a negative prefix, meaning "not" or "without," so "impregnable" essentially means "cannot be penetrated."
How did the Allies mobilize all the of the resources for the war effort?
The allies were able to mobilize resources because various allies focused their technology on making some weapons that they were best able to. Some made tanks while the British focused on making cruisers and frigates.
Can air penetrate glass?
No Which is obvious. Unless there are tiny holes in the glass ;)
Why are deep areas of the ocean dark?
The further down, the less sunlight is able to penetrate into the darkness.
Define the three types of Radiation alpha particles beta particles gamma particles and list the name of the scientist who discovered it?
Ernest Rutherford discovered radiation. Alpha is most harmful is ingested, it cannot penetrate the sign, nor paper or metal or lead, beta is able to penetrate paper and metal, and gamma, the most harmful of the three is able to penetrate paper, metal, lead, and skin. beta can penetrate the skin after a long period of time.
Why do tigers not have a good environment?
All animals are adapted to their environment. The tiger is a great and powerful swimmer, one of the best land animals at swimming. The tiger has been shown to be able to climb trees, too. Tigers are very powerful and have been shown to penetrate Russian brown bear hides. Tigers have a swift agility and have larger fangs than lions do. Plus they're cute. Going back to the environment, tigers are only going extinct because of habitat loss-humans taking space and their food source, the prey, is dying out. Tigers are running out of space and food. That's why we need to protect them. THEY are truly the king of the jungle.
What gave Rommel an early advantage over the British in the North Africa campaign?
It has been written that the Germans completely outclassed their British foes because Rommel took personal command of his tanks and canons. The British generals were not less able than Rommel, however their war education was out of date. It was built on the trench warfare of WW1 and not on the armored warfare they were asked to command.
What kind of material does sound not travel through?
Sound always need a medium to travel whther it be solid, liquid or gas. If we use several layers to build a shield, sound may not be able to penetrate. But it depends on the nature of the sound too. The audible sound which we can hear will not able to penetrate through several layered structures. But high frequency ultrasonic waves can penetrate even cement blocks.
What effect did tanks have on world war 1?
Before the tanks arrived there was a stalemate in the warfare. Both sides had dug themselves (trenches)and in were in strong defensive positions. Thus when Lancelot de Mole (an Australian inventor) invented the tank, the British were able to break through the lines of the enemy and their trenches became useless in the face of the tanks (the heavybarbed wirewas easily overcome with the might of the tanks) . Once the tanks had overcome the defenses and cause panic and mayhem in the enemy lines it became easy for the infantry to move in.
Can one guy double penetrate a girl with a toy?
With his penis, the answer is no. But using a variety of body parts, it is able to happen.
