Fact 1: Trees have woody stems covered with bark. Fact 2: Orange trees are evergreen trees. Given the two facts above, answer the question "What has woody stems covered with bark?" with the following options: - sunflowers - Newton - ferns - seaweed - Most plants - palm trees - evergreens - orchids
evergreens

Fact 1: Cross-pollination increases genetic diversity. Fact 2: Insects and hummingbirds are the primary pollinators. Given the two facts above, answer the question "What animal increases plants genetic diversity?" with the following options: - Reproduction - Plant reproduction - flowers - Hummingbirds - fish - whales - sharks - animals
Hummingbirds

Q: Fact 1: Exercise has a positive impact on a human 's health. Fact 2: Exercise Regular exercise is a sleep promoter. Given the two facts above, answer the question "What may improve health?" with the following options: - Enzymes - sleep - food - Lift - fats - insomnia - hunger - loud noises
A: sleep

Question: Fact 1: Reproduction is the process by which organisms give rise to offspring. Fact 2: Sex equals reproduction. Given the two facts above, answer the question "What's the process by which organisms give rise to offspring?" with the following options: - RNA - ovum - only meiosis - life - sex - eggs - babies - DNA
Answer: sex

*Question*
Fact 1: Burning fossil fuels increases the carbon in the atmosphere. Fact 2: Oil is one type of fossil fuel. Given the two facts above, answer the question "Burning what substances increases carbon in the atmosphere?" with the following options: - CO2 - oil - tar - gas - CFCs - Cars - coal - peat
**Answer**
oil

*Question*
Fact 1: Staying warm has a positive impact on an animal 's survival. Fact 2: Proper hydration is necessary to stay warm. Given the two facts above, answer the question "what is required for survival?" with the following options: - sugar - soil - Energy. - nitrogen - hormones - hydration - energy - evaporation
**Answer**
hydration