What is the weight of an object when the mass is 250kg and is under the influence of the Earth's gravity which has a force of 9.8 m/s2 245 kg/m/s2
2450 kg/m/s2
0 1900 kg/m/s2
0 2678 kg/m/s2

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

The activity of the modern sample is 1.10 bq . how long does that measurement take?

What are the 3 types of artificial cloning