How does a scientist critique another scientist's conclusions

What force would have to win out in order for the Big Crunch to occur?

What is the final equilibrium temperature when 12 g of milk at 7◦C is added to 175 g of coffee at 69◦C? Assume the specific heats of milk and coffee are the same as that of water, and neglect the specific heat of the container. Answer in units of ◦C.

rocio le dice a ana yo tengo el triple de años que tu tenias cuando yo tenia la mitad de la edad que tu tienes. y cuando tu tengas la edad que yo tengo nuestras eades sumaran 90 años. que edad tiene ana?

The planets stay in orbit due to A. kinetics B. friction C. gravity D. mass

A data table shows the height of a person on his birthday each year for ten years. What is the the dependent variable? Provide evidence to support your claim, and explain your reasoning.

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

A person walks 7 feet east stops and walks 7 feet west

Using the drop-down menus, choose the right government service to complete each sentence. Providing a free public education for all children is an example of supporting. Fighting fires is one way in which the government ensuresfor citizens.

A galilean telescope adjusted for a relaxed eye is 36cm long. If the objective lens has a focal length of 40cm, what is the magnification?

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration