According to the law of electromagnetic induction (Faraday’s law), what changes can cause an emf to be induced in a loop of wire?

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Which articulations allow for greatest range of motion?

If a simple machine reduces the strength of a force, what must be increased?