Juan observes a material in the rocks of a hilluan hammers off a piece and then examines the pieces with a hana tena He makes the following notes about what he observes

• has luster
• cubic crystals
• clear in color

What did he most likely observe through the hand lens?

A)
rock

B)
fossil
mineral

D)
animal bones

Explanation:

feb y cm foto lo no pollo opio pop popo o podó

I definitely think he mostly observed that it was clear in color.

Explanation:

to improve her experimental investigation, dalila should add a row in which no fertilizer is used. by a having a contrasting row in which no fertilizer is used, she will have a control group that will her understand the effects of the fertilizer in the plant developments vs the development of the plant when no fertilizer is used.