Answer:
The cell membrane, or in plant cells, the cell wall
Explanation:
In a plant cell the cell wall helps maintain structure, and in animal cells, the cell membrane regulates what goes in and out of the cell and acts as a structure
Answer:
The body needs protein to build and repair tissues to make hormones, enzymes, body chemicals e.t.c.
The body also uses protein as a building block of blood , bones, skin , muscles, cartilage e.t.c.
Explanation:
Answer:
As the type of investigation is not discussed, lets answer the question generally.
Explanation:
One of the properties of water is that water in the form of ice is less dense as compared to water liquid water. This property of water lets fishes survive in conditions when the temperature is freezing.
The hydrogen bonds in water make the water turn into a vast, honeycomb structure when the temperature is below 4 degrees Celsius. This causes the ice to float on water and the fishes can stay alive in the liquid water underneath the ice.
Answer: Fold mountains occur near convergent or compressional plate boundaries. Plate movement creates fold mountains as the plates move towards each other. This movement causes layers of sedimentary rock on the ocean floor to become wrinkled and folded. These mountains are found between two continental plates.
Explanation:
