1. Why are lysosomes important to health of cells? A. They break down worn-out cell parts that are no longer needed.

2. Which of the following organelles provide structure and rigidity to a plant cell?

B. Cell wall

3. What would happen to a plant if the chloroplast in it's cells became damaged?

A. The plant would not make glucose and oxygen

4. A cell sends messages to itself via .

B. Autocrine signalling

5. Which activity produces an action potential in nerve cells?

D. exchange of irons

There all correct trust me T_T​

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you

i won't lie i don't know so go online and ask google thats what i do