Fact 1: Mammals conserve body heat with their hair or fur. Fact 2: Hair and feathers are both made of keratin. Given the two facts above, answer the question "What do mammals use to conserve body heat?" with the following options: - four limbs - Energy. - energy - sarcasm - skin - keratin - sawdust - groceries
keratin

Fact 1: Oxygen is just one substance transported by the blood. Fact 2: Breathing and circulation allow oxygen to be transported to the body's cells. Given the two facts above, answer the question "What process provides one substance transported by the blood?" with the following options: - breathing - heat produced - drink - complex - osmosis - sweating - cell division - condensation
breathing

Q: Fact 1: Amphibians have a relatively complex circulatory system with a three-chambered heart. Fact 2: All frogs are amphibians. Given the two facts above, answer the question "Frogs have a _-chambered heart." with the following options: - alveoli - organ - ovaries - oxygen - edible - three - nektar - CO 2
A: three

Question: Fact 1: Exercise increases a body 's strength. Fact 2: Weight lifting is an example of anaerobic exercise. Given the two facts above, answer the question "What does lifting weights increase?" with the following options: - intelligence - stamina - energy - sweating - timidness - Energy. - strength - fragility
Answer: strength

*Question*
Fact 1: Fossils are formed when layers of sediment cover the remains of organisms over time. Fact 2: Fish Fish are the ultimate aquatic organism. Given the two facts above, answer the question "What can be formed when layers of sediment cover the remains of fish?" with the following options: - oysters - detritus - bones - deposits - fossils - metamorphic rocks - volcanic rock - shells
**Answer**
fossils

Q: Fact 1: Urine is the liquid waste product of the body that is excreted by the urinary system. Fact 2: Nitrogenous wastes leave the body in the urine. Given the two facts above, answer the question "How are nitrogenous wastes excreted?" with the following options: - solutes - wetland - salmon - urine - soil - harmful - gills - CO 2
A: urine