1 pc Ben and Anne decide to test and see if ice added to salt lowers the
freezing point of water. Which of the follow experimental designs would
best allow them to test this? *
They get 3 cans. They add ice and salt to all 3 cans and measure the temperature at
which they see frost form.
They get 2 cans. They add ice to both cans but salt only to one can and measure the
temperature at which they see frost form.
They get 2 cans. They add ice to both cans and measure the temperature at which
they see frost form.
They get 2 cans. They add ice to both cans and salt to only one can. They place one
can outside and 1 can inside. They measure the temperature at which they see frost
form. And I need help ASAP