Question

which rock type is formed through the cooling and solidification of magma or lava? (1 point)
metamorphic
sedimentary
igneous
composite
how does mechanical weathering differ from chemical weathering? (1 point)
it involves chemical reactions
it breaks rocks into smaller pieces without changing their composition
it only occurs in warm climates
it requires acidic conditions

Explanation:

1. Igneous rocks are formed by the cooling and solidification of magma (below the Earth's surface) or lava (on the Earth's surface). Metamorphic rocks form from pre - existing rocks under high pressure and temperature, sedimentary rocks form from the accumulation and compaction of sediments, and composite is not a basic rock - forming type in geology.
2. Mechanical weathering breaks rocks into smaller pieces without changing their chemical composition. Chemical weathering involves chemical reactions that change the rock's composition. Mechanical weathering is not limited to warm climates and does not require acidic conditions.

Answer:

1. C. Igneous
2. B. It breaks rocks into smaller pieces without changing their composition