Answer:
nitrogen..Nitrogen and phosphorus are essential plant nutrients found in aquatic ecosystems, however, in excess amounts, they can cause significant water quality problems. Nitrogen and phosphorous in water are typically found in the forms of nitrate and phosphate, respectively.
A structure found on the femur is the intercondylar fossa.
Explanation:
The intercondylar fossa is the notch or groove like structure like a depression present between the lateral and the medial femoral condyles.
The lower posterior end or surface of the femur bone constituted by the articular surfaces aids in articulation with the tibial surfaces and these surfaces are separated by the intercondylar notch.
It helps to align the thigh bone with the knee joint and maintains the knee joint stability.
Cartilaginous knee ligaments like the anterior cruciate ligament runs through this fossa.
Answer:
instrument that is used to view magnified images of small objects on a glass slide
Explanation:
Zacharias Janssen
Its a- hydrogen carbon oxygen nitrogen phosphorus sulfur !
They need to be careful to not harm the sea animals in the ocean and make the sea walk safe so there no pollution etc hope this helps