The initial temperature of a liquid is 50∘C. After which changes in temperature will the liquid be the same as the initial temperature? a decrease of 10∘C followed by an increase of 50∘C a decrease of 10 ∘ ∘ C followed by an increase of 50 ∘ ∘ C a decrease of 30∘C followed by a decrease of 10∘C a decrease of 30 ∘ ∘ C followed by a decrease of 10 ∘ ∘ C an increase of 140∘C followed by a decrease of 140∘C an increase of 140 ∘ ∘ C followed by a decrease of 140 ∘ ∘ C an increase of 245∘C followed by an increase of 245∘C