Fact 1: Echinoderms have a unique water vascular system with tube feet. Fact 2: Each starfish arm is lined with tube feet. Given the two facts above, answer the question "What is an example of an echinoderm?" with the following options: - a fish - eel - starfish - parasites - ferns - shark - fertile - algae
starfish

(Question)
Fact 1: Boiling means change from a liquid into a gas by adding heat energy. Fact 2: Water is heated to the boiling point and changes to steam. Given the two facts above, answer the question "What does water turn into after boiling?" with the following options: - gas - Dew - lake - solid - oxygen - liquid - oil - salt
(Answer)
gas

Ques: Fact 1: Sex hormones are chemical messengers that control sexual development and reproduction. Fact 2: Estrogens are female sex hormones. Given the two facts above, answer the question "Which chemical controls sexual development and reproduction in females?" with the following options: - acetic acid - Hemoglobin - Fructose - barnacles - animals - Estrogen - Pesticides - Baby spray
Ans: Estrogen

(Q).
Fact 1: Acid rain has a negative impact on water quality. Fact 2: Acid rain is harmful rain. Given the two facts above, answer the question "what is some rain?" with the following options: - harmful - watershred - streams - rainy - flooding - rivers - Tropical - spring
(A).
harmful

Ques:Fact 1: Pesticides can cause pollution. Fact 2: Pesticides are chemical poisons. Given the two facts above, answer the question "What does chemical poison create?" with the following options: - contamination - Pollution - toxins - Clean air - Bigger plants - Echinoids - Light - disease

Ans:Pollution

Fact 1: Producers make food from inorganic molecules. Fact 2: If the plant is green, it is a producer. Given the two facts above, answer the question "Green plants make food from " with the following options: - photosynthesis - absorb light energy - our nearest star - Chemical energy - Chlorophyll - Light passing through water - In their leaves - inorganic molecules
inorganic molecules