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Which weathering process tends to form spherical boulders?

Spheroidal weathering is the process that tends to form spherical boulders. This type of weathering occurs on rocks with varying resistance to weathering, resulting in the development of rounded shapes over time due to the uneven weathering of the rock surfaces.


What material absorbs the most efficiently sand soil or rocks?

Sand tends to absorb water more efficiently than soil or rocks due to its smaller particle size, which creates more surface area for water absorption. Soil also has good absorption properties but may vary depending on its composition. Rocks are generally not absorbent as they are non-porous materials.


Which are younger old seafloor rocks or old continental rocks?

Old sea floor rocks are much younger than old continental rocks! This is because the oceanic lithospheric plate forming the seafloor tends to be recycled at places known as subduction zones where it is forced below less dense (commonly continental) lithosphere. As such the oldest continental rocks tend to be 2-3 billion years old whereas oceanic crust neve tends to be more than a few hundred million years old.


Of the three main types of rock which tends to be hardest?

Metamorphic rocks tend to be the hardest of the three main types of rocks. This is because they have undergone intense heat and pressure, which can cause minerals within the rock to align and create a strong, interlocking structure. Examples of common metamorphic rocks include marble and quartzite.


What rocks do you need to make fire?

According to an IVillage expert, you should use volcanic rocks if available. Why? Because rocks from a stream or other water source tends to be wet and when they are lighted on fire they have been known to cause serious injury because they have been shown to explode. But not volcanic rock because it tends to be dry regardless of the conditions. Hope this helps.