Select the correct answer. which data table describes the sun? a. composition mostly frozen nitrogen mass 258.9 × 1018 kg b. composition mostly hydrogen and helium gas mass 1.989 × 1030 kg c. composition fine dust, metals and minerals, and volcanic rock mass 6.4 × 1023 kg d. composition central iron core surrounded by rock, similar to earth mass 4.9 × 1024 kg

Deferentiate volatile and non volatile acid

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a