Crystals
The term "ocean" can be used to describe all five bodies of water: Atlantic Ocean, Pacific Ocean, Indian Ocean, Arctic Ocean, and Southern Ocean.
Granite is an Igneous rock, sandstone is a sedimentary rock, sandstone is made up of grains that are bonded together lightly, you can even rub some of the grains off with your hands. Granite is not made from grains, they are deep into the mountains, and used for building materials, they even have crystals in them.
The compound formed from aluminum and phosphorus is called aluminum phosphide (AlP). It is commonly used as a fumigant to control pests in stored grains.
Composition, porosity, permeability, and particle size are used to describe different characteristics of sedimentary rocks. Composition refers to the minerals and materials present in the rock, porosity measures the amount of space between particles, permeability measures the rock's ability to allow fluids to flow through it, and particle size refers to the size of the individual grains or particles that make up the rock.
Durable, solid, hard, and natural are words commonly used to describe rock.
Crystals
Crystals
Crystals
Crystals
Close-packing is a term used to describe grains that fit tightly together with minimal space in between them. This arrangement maximizes the packing density of the grains.
Grains
Pollen
A seed drill is typically used for planting grains. It is a machine that precisely plants seeds at specific intervals and depths in the soil.
Robert Hooke used the name cells to describe their shape and pattern.
The word converge can be used in a number of different fields. For example it can be used to describe the approach towards an intersecting point. It can also be used to describe two people coming together physically. Finally, it can be used to describe people working together to produce ideas or concepts.
The term used to describe the size and organization of the materials that comprise a rock is 'texture'.
It's another name for "island". Usually used to describe smaller islands.