A helicopter of mass 3×10^4kg rises vertically with a constant speed of 25m/s. what resultant force acts on the helicopter? Zero
7.5×10^4

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f

Acaregiver's love, affection, and acceptance are considered conditional if they're given only when the child is well-behaved or meets set expectations. t or f