If starfish are an echinoderm with a unique water vascular system, then what is an example of an echinoderm? Answer choices: - a fish - eel - starfish - parasites - ferns - shark - fertile - algae
starfish

(Question)
If boiling changes a liquid into steam, then what does water turn into after boiling? Answer choices: - gas - Dew - lake - solid - oxygen - liquid - oil - salt
(Answer)
gas

Ques: If estrogen controls sexual development and reproduction in females, then which chemical controls sexual development and reproduction in females? Answer choices: - acetic acid - Hemoglobin - Fructose - barnacles - animals - Estrogen - Pesticides - Baby spray
Ans: Estrogen

(Q).
If some rain is harmful, then what is some rain? Answer choices: - harmful - watershred - streams - rainy - flooding - rivers - Tropical - spring
(A).
harmful

Ques:If chemical poisons cause pollution, then what does chemical poison create? Answer choices: - contamination - Pollution - toxins - Clean air - Bigger plants - Echinoids - Light - disease

Ans:Pollution

If green plants make food from inorganic molecules, then green plants make food from? Answer choices: - photosynthesis - absorb light energy - our nearest star - Chemical energy - Chlorophyll - Light passing through water - In their leaves - inorganic molecules
inorganic molecules