Question 1128Navigation General

The correct answer is D) thermograph. A thermograph is an instrument that continuously records temperature changes over time. It provides a graphical representation of temperature fluctuations, which is useful for monitoring and analyzing temperature patterns. This makes it the most appropriate choice among the given options. The other options are incorrect because: A) A thermometer measures temperature at a specific point in time, but does not provide a continuous record. B) A barometer measures atmospheric pressure, not temperature. C) A hygrograph measures and records humidity, not temperature.