Cuál es la fórmula de vector aceleración?

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer