How are sedimentary rocks made. A. Magma or lava is cooled. B. Materials are pressed together. C. Chemical reactions change minerals. D. Earthquakes cause small pieces to fall.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

i believe the answer would be b. hope it : )

the cell is the smallest structural and functional unit of living organisms, which can exist on its own. therefore, it is sometimes called the building block of life. some organisms, such as bacteria or yeast, are unicellular—consisting only of a single cell—while others, for instance, mammalians, are multicellular.