Trình bày cách phân loại mối hàn theo vị trí trong không gian? Nêu ý nghĩa của cách phân loại?

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?