The correct sequence is:
1 Producers ( grass ): The producers are the green plants that produce food for the consumers. Green plants are the producers and energy produced is transferred to primary consumers
2 Primary consumer (mouse): The primary consumers include bacteria and herbivores that feed on the green plants for their energy
3 Secondary consumer (cat): The secondary consumers include the cat and other small animals that feed on primary consumers
4 Tertiary consumer (wolf): The are the at the highest level of hierarchy and feed on secondary consumers for their food. Example wolf,eagle
D. It is type A because A is dominant and i is recessive.
Limestone.
It is a sedimentary rock composed of calcite and aragonite. It is used as a building material mainly because it is easily available and easy to work with.
Limestone is used in the manufacture of steel as it is the primary raw material that helps to remove impurities from the iron ore and produces waste matter that has low melting point and viscosity
Upwelling is a process in which cold water from depths arise to the surface