Which of the following science related statements are observations rather than opinions? select all that apply.

answer; i believe its echoic memory,it is believed to last three to four seconds; good luck

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

. ph changes the ability of them he enzyme to dissolve in water.