Answer:
El cuidado del medio hambiente
Explanation:
Es porque si usamos un traste ya sea un embase estamos cuidando el medio hambiente,y si usamos bolsas u otras cosas que son inorganicos
contaminan nuestro hambiente.
Group behavior is like being open to the others and having a nice time, individual behavior is like silent and thinking.
Comparitive: Group behavior can be loud and full of conversations while individual behavior is like no conversation and silent.
Contrast: Group and Individual behaviors are the opposite of eachother
Hope this helps!
>Starfox5454<
Cells because most living things like plant life and humans are made up of cells and animals are made up of cells too!
Answer:Valves stop blood flowing backwards
Explanation: Valve are flags of tissue that control the direction of the blood in our heart.,it prevent the backwards flow of blood. valves regulate blood from flowing back into the atria.The right and left atrio-ventricular valves prevent blood from flowing backwards into atria. When the ventricle is full,the valve prevent backwards flow of blood.