4- Imagine que, em seu município, exista um relógio de sol (gnomon) muda, dependendo da hora do dia claro e da Época do ano, responda. a- como ela varia ao longo de um dia?em que momentos ela é menor e maior? b- como ela varia ao longo de um ano? Em que mementos ela é maior e menor? c- explique essa variação considerado os movimentos que a terra realiza.

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas