Which property is shown t(s+4)=ts+t*4

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

What would happen if the krill were removed from the food web

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.