xplain the quote from the video: "when bread prices rise, marriage rates fall". 2-3 sentences and explanations for your claim.​

Long term exposure to waves can cause sunburns and skin cancer.

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?

Brass gets discoloured in air because of the presence of which of the following gases in air? a. oxygen b. hydrogen sulphide c. carbon dioxide d. nitrogen