Cells in many-celled organisms... A. All look the same
b. All have the same structure
c. are often quite different from each other
d. are the same size in every part of the organism

c. are often quite different from each other

Explanation:

Multicellular organisms - composed of several different cells: Cells in these organisms differ in relation to the function to be performed.

The cells in these organisms are growing, developing, and reproducing.

The cells differ in shape, size, and role they have in the organism.

In the group of multicellular organisms are animals (Animalia), plants (Plantae), and fungi (Fungi).

european union policies. the eu's long-term objective is to achieve levels of air quality that do not result in unacceptable impacts on, and risks to, human health and the environment. eu policies aim to reduce exposure to air pollution by reducing emissions and setting limits and target values for air quality.

the main environmental problems in western europe were: energy production/acid rain, nuclear power/waste, air pollution/climate, heavy metals, pesticides, water pollution, solid waste, and unforeseen accidents. many environmental problems are common to most european countries.