The statements that descibe the processes involved in the accretion of planetesimals and protoplanets are :
Both involve the formation of solid particles from nebular materials .
Both involve the trapping of gases and the clumping of masses of matter.
Accretion basically involves the accumulation of particles into a massive object by gravitationally attracting more matter, mainly the gaseous matter, in an accretion disk.
A protoplanet is basically a large planetary embryo which has originated within a protoplanetary disc and which also has undergone internal melting to produce a differentiated interior.
Planetesimals are known to be small rock-type objects which are
formed by collisions with other objects present in the solar system.
Hence , the statements that descibe the processes involved in the accretion of planetesimals and protoplanets are :
Both involve the formation of solid particles from nebular materials .
Both involve the trapping of gases and the clumping of masses of matter.
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Given question is incomplete please refer to the complete question below :
Which statements describe processes involved in the accretion of planetesimals and protoplanets?
Both involve the melting of solid materials in the nebula.
Both involve the formation of solid particles from nebular materials.
Both involve the work of the gravitational push on nebular materials.
Both involve the trapping of gases and the clumping of masses of matter.
Both involve the growing of gas grains with the addition of atoms and molecules.
