You are presented with the question "What have a nervous system?" and the following answer choices:  - fur seals  - viruses  - animals  - jellyfish  - bacteria  - ducks  - mammals  - phytoplankton  Now knowing that most invertebrates have a nervous system and jellyfish and insects are invertebrates, choose the best answer.
jellyfish


You are presented with the question "What soil helps a plant grow? " and the following answer choices:  - support  - soft soil  - clay soil  - no soil  - nutrients  - alluvial  - sandy soil  - loose soil  Now knowing that the looseness of soil has a positive impact on a plant 's roots' growth in that soil and roots are basic to growth, development and expansion, choose the best answer.
loose soil


Q: You are presented with the question "what were formed by rock folding?" and the following answer choices:  - patch reefs  - Sand dollars  - carbon emissions  - oceans  - calcite  - h2o vapor  - permineralization  - big mountains  Now knowing that the Himalayas were formed by rock folding and for big mountain background, check out the Himalayas , choose the best answer.
A: big mountains


Question: You are presented with the question "what causes stars to produce light?" and the following answer choices:  - by making heat  - Generating heat  - converting mass to energy  - photosyntehsis  - photosynthetic pigments?  - Evaporation of water  - heat production  - hydrogen and oxygen  Now knowing that nuclear reactions in stars causes stars to produce light and nuclear reactions convert mass to energy, choose the best answer.
Answer: converting mass to energy


*Question*
You are presented with the question "Why can't Venus sustain life?" and the following answer choices:  - It's too hot  - It's too far away  - Greenhouse gasses  - It's too small  - There's no air  - heat energy  - dry and hot  - Dehydration  Now knowing that if a planet becomes too hot then that planet cannot sustain life and inner planets, such as Venus are subject to the seering heat of the sun, choose the best answer.
**Answer**
It's too hot


You are presented with the question "Animals can compete for territory, water, food, or what?" and the following answer choices:  - environment  - bosses  - transportation  - vegetation  - plants  - Energy.  - partners  - energy  Now knowing that animals may compete for territory, water, food, or mates and mating Ducks usually look for a mate or partner in winter, choose the best answer.

partners