*Question*
Agreenhouse is used to protect plants by keeping them warm, and with lots of rain and a warm climate, plants grow well. Given these facts, what does a greenhouse help plants do among the following options: - Park cars - Start panicking - reproduce - growth - Bloom slower - adding heat - Regrows it - Grow well
**Answer**
Grow well

*Question*
Staying warm has a positive impact on an animal 's survival, and with a thick fur coat and 4 inches of fat a bear stays warm. Given these facts, what has a positive impact on an animal's survival among the following options: - four limbs - sensory neurons - low water availability - fur and fat - loss of food - heat energy - hormones - destruction of habitat
**Answer**
fur and fat

*Question*
Nuclear reactions in stars causes stars to produce light, and and, of course, the Sun is a star. Given these facts, what in the sun causes the sun to produce light among the following options: - energy of moving objects - hydrogen and oxygen - heat energy - water - solar rays - rotation - nuclear reactions - kinetic energy
**Answer**
nuclear reactions

*Question*
Hormones are chemical messengers that control many body functions, and hormonal Imbalance Hormonal imbalance can cause depression. Given these facts, what happens to chemical messengers for them to cause depression among the following options: - faulty - infected - Pesticides - cigarettes - spent - imbalanced - interact - sweating
**Answer**
imbalanced