3. C
4. D
5. No idea how to do this, sorry.
6. A
All these are correct I assure you. I took biology last year and thankfully kept my notebook. I had all the information I needed written down. For future reference I recommend taking notes, yeah it sucks but they help A LOT. It's your choice though. :)
Hope this helped. Have a great night!
Answer: Chlorophyll is a substance inside the chloroplasts which is used to absorb light from the sun in order to provide the plant with energy to photosynthesise
Explanation:
You would expect to find elastic fibers
Answer: Pulmonary veins.
Explanation:
Pulmonary vein receives oxygen-rich blood from the lungs into the left atrium where it is pumped into the left ventricle, the aorta and then further distributed to the rest of body.
Answer:
C) 7
Explanation:
if you look at a ph scale the only neutral number is 7. less than 7 is acidic like lemons and higher than 7 is more alkaline like bleach