Answer:
I think A is true
Explanation:
Any combination of atoms is a molecule, but when its a combination of atoms from different elements, its known as a compound.
A horn results when glaciers erode three or more aretes, usually forming a sharp edged peak
Answer:
carbon-to-carbon double bond
The statement is - False.
The vinegaroon has became very similar in appearance to the scorpions, by having similar body, similar proportions to certain species, having a whip tail. The whip tail though is not a mimic for the scorpion's pincher claws, but instead, it is a mimic of the scorpion's stinger. This adaptation of the vinegaroon has the purpose to fend of the predators by making them think that it is actually a scorpion and that they will get a nasty poisonous sting. This type of adaptations by mimicking certain traits of more dangerous species can be found in lot of animals from all shapes and sizes.
Answer:
(a) 145 N
(B) 40 N
(c) 10 ropes
Explanation:
Mechanical advantage, where and are input and output force respectively
Since MA is given as 10 and input force is 1450 N
Therefore, the mover must use a force of 145 N
(b)
Since also and the is given as 4 m then
(c)
Literally, we need 10 rope segments to support the piano since we utilize the mechanical advantage