A student is participating in the school science fair. She wants to investigate household cleaners.
Which question can she best answer through scientific investigation?
Which household cleaner is most effective at removing stains?
Which household cleaner smells the best?
How often should a person use household cleaners?
Where should a person buy household cleaners?

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time.c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

What do scientists need to look at before developing an argument

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?