A bacterium is believed to have a relatively thick peptidoglycan cell wall with no extra, outer layer. Which test and appropriate result can confirm this property

When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem

The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?