Arteries generally carry oxygen-rich blood, and without a blood supply, people are in danger of dying. Given these facts, what can people die without among the following options: - water - h2o - family - retina - love - oxygen - friends - food
oxygen

(Question)
Melting means changing from a solid into a liquid by adding heat energy, and all temperatures are measures of heat energy. Given these facts, what is increased to cause something to change from a solid into a liquid among the following options: - Evaporation - water vapor - hydrogen - temperature - ice cubes - h2o - sweating - Water expanding
(Answer)
temperature

Ques: All plants have a characteristic life cycle that includes alternation of generations, and all trees are plants, including redwoods. Given these facts, all redwoods have a characteristic life cycle that includes what among the following options: - seed dispersal - alternation stations - biological diversity - The flowers are pollinated - sub-units of species - alternation of generations - alternation alteration - alternation of genetics
Ans: alternation of generations

(Q).
Chromosomes are the form of the genetic material of a cell during cell division, and mitosis is cell division. Given these facts, chromosomes are the form of the genetic material during among the following options: - plants - reproduce - condensation - mitosis - osmosis - complex - animals - respiration
(A).
mitosis

Ques:Oil is formed by layers of sediment pushing down on decomposing algae, and when the algae dies it is decomposed by bacteria. Given these facts, oil is formed by layers of sediment pushing down on what among the following options: - bacteria - nutrients - amoebae - tunicates - oysters - coral reefs - mussels - Bodily water

Ans:bacteria

Ques:Gravity pulls objects towards planets, and planets are 'held' in orbit by the Sun's gravity. Given these facts, which direction are planets pulled among the following options: - an external framework - Closer to their moons - To the nearest source of darkness - Away from the sun - movement - Towards the sun - to move people - unidirectional

Ans:
Towards the sun