Which statement is true? O Gravity can both push and pull objects.
O Only celestial objects exert a gravitational force.
O Only Earth exerts a gravitational force.
All objects with mass exert a gravitational force.

Which are observations about the tree on the right ,? check all that apply

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false