Question
how are sedimentary rocks formed?
from the remains of plants and animals
by cooling of molten lava
by volcanic eruptions
through intense heat and pressure
from the remains of plants and animals
by cooling of molten lava
by volcanic eruptions
through intense heat and pressure
Answers
GPT-4o mini
Sedimentary rocks are formed primarily **from the remains of plants and animals**, as well as from the accumulation and compaction of sediments such as sand, silt, and clay. These sediments can originate from the weathering and erosion of existing rocks, or from biological processes, including the accumulation of organic materials. Over time, these sediments are compressed and cemented together, forming sedimentary rocks.
The other options you mentioned refer to different types of rock formation:
- **By cooling of molten lava** refers to igneous rocks.
- **By volcanic eruptions** usually also refers to igneous rocks.
- **Through intense heat and pressure** describes the formation of metamorphic rocks.
The other options you mentioned refer to different types of rock formation:
- **By cooling of molten lava** refers to igneous rocks.
- **By volcanic eruptions** usually also refers to igneous rocks.
- **Through intense heat and pressure** describes the formation of metamorphic rocks.