Marque falso o verdadero según sea el caso: a) las plantas de semilla se dividen en dos grupos de acuerdo con el lugar donde se desarrolla la semilla, en angiospermas y gimnospermas ( )
b) las gimnospermas tienen semillas desnudas ( )
c) las angiospermas no son plantas de flores ( )
d) las angiospermas se dividen en dicotiledoneas y monocotiledoneas ( )

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

(amoeba sisters video recap: pedigrees and need

Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planets’ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?